Provided by: libconfuse-dev_2.7-5+deb8u1build0.14.04.1_amd64 bug

NAME

       confuse.h - A configuration file parser library.

SYNOPSIS

       #include <stdio.h>
       #include <stdarg.h>

   Data Structures
       struct cfg_t
           Data structure holding information about a 'section'.
       union cfg_value_t
           Data structure holding the value of a fundamental option value.
       struct cfg_defvalue_t
           Data structure holding the default value given by the initialization macros.
       struct cfg_opt_t
           Data structure holding information about an option.

   Macros
       #define CFGF_NONE   0
           Flags.
       #define CFGF_MULTI   1
           option may be specified multiple times (only applies to sections)
       #define CFGF_LIST   2
           option is a list
       #define CFGF_NOCASE   4
           configuration file is case insensitive
       #define CFGF_TITLE   8
           option has a title (only applies to sections)
       #define CFGF_NODEFAULT   16
           option has no default value
       #define CFGF_NO_TITLE_DUPES   32
           multiple section titles must be unique (duplicates raises an error, only applies to
           sections)
       #define CFG_SUCCESS   0
           Return codes from cfg_parse().
       #define CFG_STR(name, def, flags)   __CFG_STR(name, def, flags, 0, 0)
           Initialize a string option.
       #define CFG_STR_LIST(name, def, flags)   __CFG_STR_LIST(name, def, flags, 0, 0)
           Initialize a string list option.
       #define CFG_STR_CB(name, def, flags, cb)   __CFG_STR(name, def, flags, 0, cb)
           Initialize a string option with a value parsing callback.
       #define CFG_STR_LIST_CB(name, def, flags, cb)   __CFG_STR_LIST(name, def, flags, 0, cb)
           Initialize a string list option with a value parsing callback.
       #define CFG_SIMPLE_STR(name, svalue)   __CFG_STR(name, 0, CFGF_NONE, svalue, 0)
           Initialize a 'simple' string option.
       #define CFG_INT(name, def, flags)   __CFG_INT(name, def, flags, 0, 0)
           Initialize an integer option.
       #define CFG_INT_LIST(name, def, flags)   __CFG_INT_LIST(name, def, flags, 0, 0)
           Initialize an integer list option.
       #define CFG_INT_CB(name, def, flags, cb)   __CFG_INT(name, def, flags, 0, cb)
           Initialize an integer option with a value parsing callback.
       #define CFG_INT_LIST_CB(name, def, flags, cb)   __CFG_INT_LIST(name, def, flags, 0, cb)
           Initialize an integer list option with a value parsing callback.
       #define CFG_SIMPLE_INT(name, svalue)   __CFG_INT(name, 0, CFGF_NONE, svalue, 0)
           Initialize a 'simple' integer option (see documentation for CFG_SIMPLE_STR for more
           information).
       #define CFG_FLOAT(name, def, flags)   __CFG_FLOAT(name, def, flags, 0, 0)
           Initialize a floating point option.
       #define CFG_FLOAT_LIST(name, def, flags)   __CFG_FLOAT_LIST(name, def, flags, 0, 0)
           Initialize a floating point list option.
       #define CFG_FLOAT_CB(name, def, flags, cb)   __CFG_FLOAT(name, def, flags, 0, cb)
           Initialize a floating point option with a value parsing callback.
       #define CFG_FLOAT_LIST_CB(name, def, flags, cb)   __CFG_FLOAT_LIST(name, def, flags, 0,
           cb)
           Initialize a floating point list option with a value parsing callback.
       #define CFG_SIMPLE_FLOAT(name, svalue)   __CFG_FLOAT(name, 0, CFGF_NONE, svalue, 0)
           Initialize a 'simple' floating point option (see documentation for CFG_SIMPLE_STR for
           more information).
       #define CFG_BOOL(name, def, flags)   __CFG_BOOL(name, def, flags, 0, 0)
           Initialize a boolean option.
       #define CFG_BOOL_LIST(name, def, flags)   __CFG_BOOL_LIST(name, def, flags, 0, 0)
           Initialize a boolean list option.
       #define CFG_BOOL_CB(name, def, flags, cb)   __CFG_BOOL(name, def, flags, 0, cb)
           Initialize a boolean option with a value parsing callback.
       #define CFG_BOOL_LIST_CB(name, def, flags, cb)   __CFG_BOOL_LIST(name, def, flags, 0, cb)
           Initialize a boolean list option with a value parsing callback.
       #define CFG_SIMPLE_BOOL(name, svalue)   __CFG_BOOL(name, cfg_false, CFGF_NONE, svalue, 0)
           Initialize a 'simple' boolean option (see documentation for CFG_SIMPLE_STR for more
           information).
       #define CFG_SEC(name, opts, flags)
           {name,CFGT_SEC,0,0,flags,opts,{0,0,cfg_false,0,0},0,0,0,0,0,0}
           Initialize a section.
       #define CFG_FUNC(name, func)
           {name,CFGT_FUNC,0,0,CFGF_NONE,0,{0,0,cfg_false,0,0},func,0,0,0,0,0}
           Initialize a function.
       #define CFG_PTR_CB(name, def, flags, parsecb, freecb)   __CFG_PTR(name, def, flags, 0,
           parsecb, freecb)
           Initialize a user-defined option.
       #define CFG_PTR_LIST_CB(name, def, flags, parsecb, freecb)   __CFG_PTR(name, def, flags |
           CFGF_LIST, 0, parsecb, freecb)
           Initialize a list of user-defined options.
       #define CFG_END()   {0,CFGT_NONE,0,0,CFGF_NONE,0,{0,0,cfg_false,0,0},0,0,0,0,0,0}
           Terminate list of options.

   Typedefs
       typedef int(* cfg_func_t )(cfg_t *cfg, cfg_opt_t *opt, int argc, const char **argv)
           Function prototype used by CFGT_FUNC options.
       typedef void(* cfg_print_func_t )(cfg_opt_t *opt, unsigned int index, FILE *fp)
           Function prototype used by the cfg_print_ functions.
       typedef int(* cfg_callback_t )(cfg_t *cfg, cfg_opt_t *opt, const char *value, void
           *result)
           Value parsing callback prototype.
       typedef int(* cfg_validate_callback_t )(cfg_t *cfg, cfg_opt_t *opt)
           Validating callback prototype.
       typedef void(* cfg_free_func_t )(void *value)
           User-defined memory release function for CFG_PTR values.
       typedef void(* cfg_errfunc_t )(cfg_t *cfg, const char *fmt, va_list ap)
           Error reporting function.

   Enumerations
       enum cfg_type_t { , CFGT_INT, CFGT_FLOAT, CFGT_STR, CFGT_BOOL, CFGT_SEC, CFGT_FUNC,
           CFGT_PTR }
           Fundamental option types.
       enum cfg_bool_t
           Boolean values.

   Functions
       DLLIMPORT cfg_t *__export cfg_init (cfg_opt_t *opts, cfg_flag_t flags)
           Create and initialize a cfg_t structure.
       DLLIMPORT int __export cfg_parse (cfg_t *cfg, const char *filename)
           Parse a configuration file.
       DLLIMPORT int __export cfg_parse_fp (cfg_t *cfg, FILE *fp)
           Same as cfg_parse() above, but takes an already opened file as argument.
       DLLIMPORT int __export cfg_parse_buf (cfg_t *cfg, const char *buf)
           Same as cfg_parse() above, but takes a character buffer as argument.
       DLLIMPORT void __export cfg_free_value (cfg_opt_t *opt)
           Free the memory allocated for the values of a given option.
       DLLIMPORT void __export cfg_free (cfg_t *cfg)
           Free a cfg_t context.
       DLLIMPORT cfg_errfunc_t __export cfg_set_error_function (cfg_t *cfg, cfg_errfunc_t
           errfunc)
           Install a user-defined error reporting function.
       DLLIMPORT void __export cfg_error (cfg_t *cfg, const char *fmt,...)
           Show a parser error.
       DLLIMPORT signed long __export cfg_opt_getnint (cfg_opt_t *opt, unsigned int index)
           Returns the value of an integer option, given a cfg_opt_t pointer.
       DLLIMPORT long int __export cfg_getnint (cfg_t *cfg, const char *name, unsigned int index)
           Indexed version of cfg_getint(), used for lists.
       DLLIMPORT long int __export cfg_getint (cfg_t *cfg, const char *name)
           Returns the value of an integer option.
       DLLIMPORT double __export cfg_opt_getnfloat (cfg_opt_t *opt, unsigned int index)
           Returns the value of a floating point option, given a cfg_opt_t pointer.
       DLLIMPORT double __export cfg_getnfloat (cfg_t *cfg, const char *name, unsigned int index)
           Indexed version of cfg_getfloat(), used for lists.
       DLLIMPORT double __export cfg_getfloat (cfg_t *cfg, const char *name)
           Returns the value of a floating point option.
       DLLIMPORT char *__export cfg_opt_getnstr (cfg_opt_t *opt, unsigned int index)
           Returns the value of a string option, given a cfg_opt_t pointer.
       DLLIMPORT char *__export cfg_getnstr (cfg_t *cfg, const char *name, unsigned int index)
           Indexed version of cfg_getstr(), used for lists.
       DLLIMPORT char *__export cfg_getstr (cfg_t *cfg, const char *name)
           Returns the value of a string option.
       DLLIMPORT cfg_bool_t __export cfg_opt_getnbool (cfg_opt_t *opt, unsigned int index)
           Returns the value of a boolean option, given a cfg_opt_t pointer.
       DLLIMPORT cfg_bool_t __export cfg_getnbool (cfg_t *cfg, const char *name, unsigned int
           index)
           Indexed version of cfg_getbool(), used for lists.
       DLLIMPORT cfg_bool_t __export cfg_getbool (cfg_t *cfg, const char *name)
           Returns the value of a boolean option.
       DLLIMPORT void *__export cfg_getptr (cfg_t *cfg, const char *name)
           Returns the value of a user-defined option (void pointer).
       DLLIMPORT cfg_t *__export cfg_opt_getnsec (cfg_opt_t *opt, unsigned int index)
           Returns the value of a section option, given a cfg_opt_t pointer.
       DLLIMPORT cfg_t *__export cfg_getnsec (cfg_t *cfg, const char *name, unsigned int index)
           Indexed version of cfg_getsec(), used for sections with the CFGF_MULTI flag set.
       DLLIMPORT cfg_t *__export cfg_opt_gettsec (cfg_opt_t *opt, const char *title)
           Returns the value of a section option, given a cfg_opt_t pointer and the title.
       DLLIMPORT cfg_t *__export cfg_gettsec (cfg_t *cfg, const char *name, const char *title)
           Return a section given the title, used for section with the CFGF_TITLE flag set.
       DLLIMPORT cfg_t *__export cfg_getsec (cfg_t *cfg, const char *name)
           Returns the value of a section option.
       DLLIMPORT unsigned int __export cfg_opt_size (cfg_opt_t *opt)
           Return the number of values this option has.
       DLLIMPORT unsigned int __export cfg_size (cfg_t *cfg, const char *name)
           Return the number of values this option has.
       DLLIMPORT const char *__export cfg_title (cfg_t *cfg)
           Return the title of a section.
       DLLIMPORT const char *__export cfg_name (cfg_t *cfg)
           Return the name of a section.
       DLLIMPORT const char *__export cfg_opt_name (cfg_opt_t *opt)
           Return the name of an option.
       DLLIMPORT int __export cfg_include (cfg_t *cfg, cfg_opt_t *opt, int argc, const char
           **argv)
           Predefined include-function.
       DLLIMPORT char *__export cfg_tilde_expand (const char *filename)
           Does tilde expansion (~ -> $HOME) on the filename.
       DLLIMPORT int __export cfg_parse_boolean (const char *s)
           Parse a boolean option string.
       DLLIMPORT cfg_opt_t *__export cfg_getopt (cfg_t *cfg, const char *name)
           Return an option given it's name.
       DLLIMPORT cfg_value_t * cfg_setopt (cfg_t *cfg, cfg_opt_t *opt, char *value)
           Set an option (create an instance of an option).
       DLLIMPORT void __export cfg_opt_setnint (cfg_opt_t *opt, long int value, unsigned int
           index)
           Set a value of an integer option.
       DLLIMPORT void __export cfg_setint (cfg_t *cfg, const char *name, long int value)
           Set the value of an integer option given its name.
       DLLIMPORT void __export cfg_setnint (cfg_t *cfg, const char *name, long int value,
           unsigned int index)
           Set a value of an integer option given its name and index.
       DLLIMPORT void __export cfg_opt_setnfloat (cfg_opt_t *opt, double value, unsigned int
           index)
           Set a value of a floating point option.
       DLLIMPORT void __export cfg_setfloat (cfg_t *cfg, const char *name, double value)
           Set the value of a floating point option given its name.
       DLLIMPORT void __export cfg_setnfloat (cfg_t *cfg, const char *name, double value,
           unsigned int index)
           Set a value of a floating point option given its name and index.
       DLLIMPORT void __export cfg_opt_setnbool (cfg_opt_t *opt, cfg_bool_t value, unsigned int
           index)
           Set a value of a boolean option.
       DLLIMPORT void __export cfg_setbool (cfg_t *cfg, const char *name, cfg_bool_t value)
           Set the value of a boolean option given its name.
       DLLIMPORT void __export cfg_setnbool (cfg_t *cfg, const char *name, cfg_bool_t value,
           unsigned int index)
           Set a value of a boolean option given its name and index.
       DLLIMPORT void __export cfg_opt_setnstr (cfg_opt_t *opt, const char *value, unsigned int
           index)
           Set a value of a string option.
       DLLIMPORT void __export cfg_setstr (cfg_t *cfg, const char *name, const char *value)
           Set the value of a string option given its name.
       DLLIMPORT void __export cfg_setnstr (cfg_t *cfg, const char *name, const char *value,
           unsigned int index)
           Set a value of a boolean option given its name and index.
       DLLIMPORT void __export cfg_setlist (cfg_t *cfg, const char *name, unsigned int
           nvalues,...)
           Set values for a list option.
       DLLIMPORT void __export cfg_addlist (cfg_t *cfg, const char *name, unsigned int
           nvalues,...)
           Add values for a list option.
       DLLIMPORT void __export cfg_opt_nprint_var (cfg_opt_t *opt, unsigned int index, FILE *fp)
           Default value print function.
       DLLIMPORT void __export cfg_opt_print_indent (cfg_opt_t *opt, FILE *fp, int indent)
           Print an option and its value to a file.
       DLLIMPORT void __export cfg_opt_print (cfg_opt_t *opt, FILE *fp)
           Print an option and its value to a file.
       DLLIMPORT void __export cfg_print_indent (cfg_t *cfg, FILE *fp, int indent)
           Print the options and values to a file.
       DLLIMPORT void __export cfg_print (cfg_t *cfg, FILE *fp)
           Print the options and values to a file.
       DLLIMPORT cfg_print_func_t __export cfg_opt_set_print_func (cfg_opt_t *opt,
           cfg_print_func_t pf)
           Set a print callback function for an option.
       DLLIMPORT cfg_print_func_t __export cfg_set_print_func (cfg_t *cfg, const char *name,
           cfg_print_func_t pf)
           Set a print callback function for an option given its name.
       DLLIMPORT
           cfg_validate_callback_t
           __export cfg_set_validate_func (cfg_t *cfg, const char *name, cfg_validate_callback_t
           vf)"
           Register a validating callback function for an option.

Detailed Description

       A configuration file parser library.

Macro Definition Documentation

   #define CFG_END()   {0,CFGT_NONE,0,0,CFGF_NONE,0,{0,0,cfg_false,0,0},0,0,0,0,0,0}
       Terminate list of options. This must be the last initializer in the option list.

       Examples:
           ftpconf.c, reread.c, and simple.c.

   #define CFG_FUNC(name, func)
       {name,CFGT_FUNC,0,0,CFGF_NONE,0,{0,0,cfg_false,0,0},func,0,0,0,0,0}
       Initialize a function.

       Parameters:
           name The name of the option
           func The callback function.

       See Also:
           cfg_func_t

       Examples:
           ftpconf.c.

   #define CFG_PTR_CB(name, def, flags, parsecb, freecb)   __CFG_PTR(name, def, flags, 0,
       parsecb, freecb)
       Initialize a user-defined option. CFG_PTR options can only be used together with a value
       parsing callback.

       Parameters:
           name The name of the option
           def Default value
           flags Flags
           parsecb Value parsing callback
           freecb Memory release function

       See Also:
           cfg_callback_t, cfg_free_func_t

   #define CFG_SEC(name, opts, flags)
       {name,CFGT_SEC,0,0,flags,opts,{0,0,cfg_false,0,0},0,0,0,0,0,0}
       Initialize a section.

       Parameters:
           name The name of the option
           opts Array of options that are valid within this section
           flags Flags, specify CFGF_MULTI if it should be possible to have multiples of the same
           section, and CFGF_TITLE if the section(s) must have a title (which can be used in the
           cfg_gettsec() function)

       Examples:
           ftpconf.c, and reread.c.

   #define CFG_SIMPLE_STR(name, svalue)   __CFG_STR(name, 0, CFGF_NONE, svalue, 0)
       Initialize a 'simple' string option. 'Simple' options (in lack of a better expression)
       does not support lists of values or multiple sections. LibConfuse will store the value of
       a simple option in the user-defined location specified by the value parameter in the
       initializer. Simple options are not stored in the cfg_t context, only a pointer. Sections
       can not be initialized as a 'simple' option.

       As of version 2.2, libConfuse can now return the values of simple options with the cfg_get
       functions. This allows using the new cfg_print function with simple options.

       libConfuse doesn't support handling default values for 'simple' options. They are assumed
       to be set by the calling application before cfg_parse is called.

       Parameters:
           name name of the option
           svalue pointer to a character pointer (a char **). This value must be initalized
           either to NULL or to a malloc()'ed string. You can't use

           char *user = 'joe';
           ...
           cfg_opt_t opts[] = {
               CFG_SIMPLE_STR('user', &user),
           ...

            since libConfuse will try to free the static string 'joe' (which is an error) when a
           'user' option is found. Rather, use the following code snippet:

           char *user = strdup('joe');
           ...
           cfg_opt_t opts[] = {
                CFG_SIMPLE_STR('user', &user),
           ...

            Alternatively, the default value can be set after the opts struct is defined, as in:

           char *user = 0;
           ...
           cfg_opt_t opts[] = {
                CFG_SIMPLE_STR('user', &user),
           ...
           user = strdup('joe');
           cfg = cfg_init(opts, 0);
           cfg_parse(cfg, filename);

       Examples:
           simple.c.

   #define CFG_SUCCESS   0
       Return codes from cfg_parse().

       Examples:
           ftpconf.c.

       Referenced by cfg_parse_buf(), and cfg_parse_fp().

   #define CFGF_NONE   0
       Flags.

       Examples:
           ftpconf.c, and reread.c.

Typedef Documentation

   typedef int(* cfg_callback_t)(cfg_t *cfg, cfg_opt_t *opt, const char *value, void *result)
       Value parsing callback prototype. This is a callback function (different from the one
       registered with the CFG_FUNC initializer) used to parse a value. This can be used to
       override the internal parsing of a value.

       Suppose you want an integer option that only can have certain values, for example 1, 2 and
       3, and these should be written in the configuration file as 'yes', 'no' and 'maybe'. The
       callback function would be called with the found value ('yes', 'no' or 'maybe') as a
       string, and the result should be stored in the result parameter.

       Parameters:
           cfg The configuration file context.
           opt The option.
           value The value found in the configuration file.
           result Pointer to storage for the result, cast to a void pointer.

       Returns:
           On success, 0 should be returned. All other values indicates an error, and the parsing
           is aborted. The callback function should notify the error itself, for example by
           calling cfg_error().

   typedef void(* cfg_errfunc_t)(cfg_t *cfg, const char *fmt, va_list ap)
       Error reporting function.

   typedef void(* cfg_free_func_t)(void *value)
       User-defined memory release function for CFG_PTR values. This callback is used to free
       memory allocated in a value parsing callback function. Especially useful for CFG_PTR
       options, since libConfuse will not itself release such values. If the values are simply
       allocated with a malloc(3), one can use the standard free(3) function here.

   typedef int(* cfg_func_t)(cfg_t *cfg, cfg_opt_t *opt, int argc, const char **argv)
       Function prototype used by CFGT_FUNC options. This is a callback function, registered with
       the CFG_FUNC initializer. Each time libConfuse finds a function, the registered callback
       function is called (parameters are passed as strings, any conversion to other types should
       be made in the callback function). libConfuse does not support any storage of the data
       found; these are passed as parameters to the callback, and it's the responsibility of the
       callback function to do whatever it should do with the data.

       Parameters:
           cfg The configuration file context.
           opt The option.
           argc Number of arguments passed. The callback function is responsible for checking
           that the correct number of arguments are passed.
           argv Arguments as an array of character strings.

       Returns:
           On success, 0 should be returned. All other values indicates an error, and the parsing
           is aborted. The callback function should notify the error itself, for example by
           calling cfg_error().

       See Also:
           CFG_FUNC

   typedef void(* cfg_print_func_t)(cfg_opt_t *opt, unsigned int index, FILE *fp)
       Function prototype used by the cfg_print_ functions. This callback function is used to
       print option values. For options with a value parsing callback, this is often required,
       especially if a string is mapped to an integer by the callback. This print callback must
       then map the integer back to the appropriate string.

       Except for functions, the print callback function should only print the value of the
       option, not the name and the equal sign (that is handled by the cfg_opt_print function).
       For function options however, the name and the parenthesis must be printed by this
       function. The value to print can be accessed with the cfg_opt_get functions.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           index Index of the value to get. Zero based.
           fp File stream to print to, use stdout to print to the screen.

       See Also:
           cfg_print, cfg_set_print_func

   typedef int(* cfg_validate_callback_t)(cfg_t *cfg, cfg_opt_t *opt)
       Validating callback prototype. This callback function is called after an option has been
       parsed and set. The function is called for both fundamental values (strings, integers etc)
       as well as lists and sections. This can for example be used to validate that all required
       options in a section has been set to sane values.

       Returns:
           On success, 0 should be returned. All other values indicates an error, and the parsing
           is aborted. The callback function should notify the error itself, for example by
           calling cfg_error().

       See Also:
           cfg_set_validate_func

Enumeration Type Documentation

   enum cfg_bool_t
       Boolean values.

   enum cfg_type_t
       Fundamental option types.

       Enumerator

       CFGT_INT
              integer

       CFGT_FLOAT
              floating point number

       CFGT_STR
              string

       CFGT_BOOL
              boolean value

       CFGT_SEC
              section

       CFGT_FUNC
              function

       CFGT_PTR
              pointer to user-defined value

Function Documentation

   DLLIMPORT void __export cfg_addlist (cfg_t *cfg, const char *name, unsigned intnvalues, ...)
       Add values for a list option. The new values are appended to any current values in the
       list.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           nvalues Number of values to add.
           ... The values to add, the type must match the type of the option and the number of
           values must be equal to the nvalues parameter.

       References cfg_getopt(), CFGF_LIST, and cfg_opt_t::flags.

   DLLIMPORT void __export cfg_error (cfg_t *cfg, const char *fmt, ...)
       Show a parser error. Any user-defined error reporting function is called.

       See Also:
           cfg_set_error_function

       Examples:
           ftpconf.c.

       References cfg_t::errfunc, cfg_t::filename, and cfg_t::line.

       Referenced by cfg_getopt(), cfg_include(), and cfg_setopt().

   DLLIMPORT void __export cfg_free (cfg_t *cfg)
       Free a cfg_t context. All memory allocated by the cfg_t context structure are freed, and
       can't be used in any further cfg_* calls.

       Examples:
           ftpconf.c, reread.c, and simple.c.

       References cfg_free_value(), cfg_t::filename, cfg_t::name, cfg_opt_t::name, cfg_t::opts,
       and cfg_t::title.

       Referenced by cfg_free_value(), and cfg_setopt().

   DLLIMPORT void __export cfg_free_value (cfg_opt_t *opt)
       Free the memory allocated for the values of a given option. Only the values are freed, not
       the option itself (it is freed by cfg_free()).

       See Also:
           cfg_free()

       References cfg_free(), CFGT_PTR, CFGT_SEC, CFGT_STR, cfg_opt_t::nvalues, cfg_value_t::ptr,
       cfg_value_t::section, cfg_value_t::string, cfg_opt_t::type, and cfg_opt_t::values.

       Referenced by cfg_free(), cfg_setlist(), and cfg_setopt().

   DLLIMPORT cfg_bool_t __export cfg_getbool (cfg_t *cfg, const char *name)
       Returns the value of a boolean option.

       Parameters:
           cfg The configuration file context.
           name The name of the option.

       Returns:
           The requested value is returned. If the option was not set in the configuration file,
           the default value given in the corresponding cfg_opt_t structure is returned. It is an
           error to try to get an option that isn't declared.

       Examples:
           ftpconf.c.

       References cfg_getnbool().

   DLLIMPORT double __export cfg_getfloat (cfg_t *cfg, const char *name)
       Returns the value of a floating point option.

       Parameters:
           cfg The configuration file context.
           name The name of the option.

       Returns:
           The requested value is returned. If the option was not set in the configuration file,
           the default value given in the corresponding cfg_opt_t structure is returned. It is an
           error to try to get an option that isn't declared.

       References cfg_getnfloat().

   DLLIMPORT long int __export cfg_getint (cfg_t *cfg, const char *name)
       Returns the value of an integer option. This is the same as calling cfg_getnint with index
       0.

       Parameters:
           cfg The configuration file context.
           name The name of the option.

       Returns:
           The requested value is returned. If the option was not set in the configuration file,
           the default value given in the corresponding cfg_opt_t structure is returned. It is an
           error to try to get an option that isn't declared.

       Examples:
           ftpconf.c, and reread.c.

       References cfg_getnint().

   DLLIMPORT cfg_bool_t __export cfg_getnbool (cfg_t *cfg, const char *name, unsigned intindex)
       Indexed version of cfg_getbool(), used for lists.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           index Index of the value to get. Zero based.

       See Also:
           cfg_getbool

       References cfg_getopt(), and cfg_opt_getnbool().

       Referenced by cfg_getbool().

   DLLIMPORT double __export cfg_getnfloat (cfg_t *cfg, const char *name, unsigned intindex)
       Indexed version of cfg_getfloat(), used for lists.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           index Index of the value to get. Zero based.

       See Also:
           cfg_getfloat

       References cfg_getopt(), and cfg_opt_getnfloat().

       Referenced by cfg_getfloat().

   DLLIMPORT long int __export cfg_getnint (cfg_t *cfg, const char *name, unsigned intindex)
       Indexed version of cfg_getint(), used for lists.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           index Index of the value to get. Zero based.

       See Also:
           cfg_getint

       References cfg_getopt(), and cfg_opt_getnint().

       Referenced by cfg_getint().

   DLLIMPORT cfg_t* __export cfg_getnsec (cfg_t *cfg, const char *name, unsigned intindex)
       Indexed version of cfg_getsec(), used for sections with the CFGF_MULTI flag set.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           index Index of the section to get. Zero based.

       See Also:
           cfg_getsec

       Examples:
           ftpconf.c, and reread.c.

       References cfg_getopt(), and cfg_opt_getnsec().

       Referenced by cfg_getsec().

   DLLIMPORT char* __export cfg_getnstr (cfg_t *cfg, const char *name, unsigned intindex)
       Indexed version of cfg_getstr(), used for lists.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           index Index of the value to get. Zero based.

       See Also:
           cfg_getstr

       Examples:
           ftpconf.c.

       References cfg_getopt(), and cfg_opt_getnstr().

       Referenced by cfg_getstr().

   DLLIMPORT cfg_opt_t* __export cfg_getopt (cfg_t *cfg, const char *name)
       Return an option given it's name.

       Parameters:
           cfg The configuration file context.
           name The name of the option.

       Returns:
           Returns a pointer to the option. If the option isn't declared, libConfuse will print
           an error message and return 0.

       References cfg_error(), cfg_getsec(), CFGF_NOCASE, cfg_t::flags, cfg_t::name,
       cfg_opt_t::name, and cfg_t::opts.

       Referenced by cfg_addlist(), cfg_getnbool(), cfg_getnfloat(), cfg_getnint(),
       cfg_getnsec(), cfg_getnstr(), cfg_gettsec(), cfg_set_print_func(), cfg_setlist(),
       cfg_setnbool(), cfg_setnfloat(), cfg_setnint(), cfg_setnstr(), and cfg_size().

   DLLIMPORT void* __export cfg_getptr (cfg_t *cfg, const char *name)
       Returns the value of a user-defined option (void pointer).

       Parameters:
           cfg The configuration file context.
           name The name of the option.

       Returns:
           The requested value is returned. If the option was not set in the configuration file,
           the default value given in the corresponding cfg_opt_t structure is returned. It is an
           error to try to get an option that isn't declared.

   DLLIMPORT cfg_t* __export cfg_getsec (cfg_t *cfg, const char *name)
       Returns the value of a section option. The returned value is another cfg_t structure that
       can be used in following calls to cfg_getint, cfg_getstr or other get-functions.

       Parameters:
           cfg The configuration file context.
           name The name of the option.

       Returns:
           The requested section is returned. If no section is found with that name, 0 is
           returned. There can only be default values for section without the CFGF_MULTI flag
           set. It is an error to try to get a section that isn't declared.

       References cfg_getnsec().

       Referenced by cfg_getopt().

   DLLIMPORT char* __export cfg_getstr (cfg_t *cfg, const char *name)
       Returns the value of a string option.

       Parameters:
           cfg The configuration file context.
           name The name of the option.

       Returns:
           The requested value is returned. If the option was not set in the configuration file,
           the default value given in the corresponding cfg_opt_t structure is returned. It is an
           error to try to get an option that isn't declared.

       Examples:
           ftpconf.c, and reread.c.

       References cfg_getnstr().

   DLLIMPORT cfg_t* __export cfg_gettsec (cfg_t *cfg, const char *name, const char *title)
       Return a section given the title, used for section with the CFGF_TITLE flag set.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           title The title of this section. The CFGF_TITLE flag must have been set for this
           option.

       See Also:
           cfg_getsec

       References cfg_getopt(), and cfg_opt_gettsec().

   DLLIMPORT int __export cfg_include (cfg_t *cfg, cfg_opt_t *opt, intargc, const char **argv)
       Predefined include-function. This function can be used in the options passed to cfg_init()
       to specify a function for including other configuration files in the parsing. For example:
       CFG_FUNC('include', &cfg_include)

       Examples:
           ftpconf.c.

       References cfg_error().

   DLLIMPORT cfg_t* __export cfg_init (cfg_opt_t *opts, cfg_flag_tflags)
       Create and initialize a cfg_t structure. This should be the first function called when
       setting up the parsing of a configuration file. The options passed in the first parameter
       is initialized using the CFG_* initializers. The last option in the option array must be
       CFG_END(), unless you like segmentation faults.

       The options must no longer be defined in the same scope as where the cfg_xxx functions are
       used (since version 2.3).

       Parameters:
           opts An arrary of options
           flags One or more flags (bitwise or'ed together). Currently only CFGF_NOCASE is
           available. Use 0 if no flags are needed.

       Returns:
           A configuration context structure. This pointer is passed to almost all other
           functions as the first parameter.

       Examples:
           ftpconf.c, reread.c, and simple.c.

       References cfg_t::errfunc, cfg_t::filename, cfg_t::flags, cfg_t::line, cfg_t::name, and
       cfg_t::opts.

   DLLIMPORT const char* __export cfg_name (cfg_t *cfg)
       Return the name of a section.

       Parameters:
           cfg The configuration file context.

       Returns:
           Returns the title, or 0 if there is no title. This string should not be modified.

       Examples:
           ftpconf.c.

       References cfg_t::name.

   DLLIMPORT cfg_bool_t __export cfg_opt_getnbool (cfg_opt_t *opt, unsigned intindex)
       Returns the value of a boolean option, given a cfg_opt_t pointer.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           index Index of the value to get. Zero based.

       See Also:
           cfg_getnbool

       References cfg_value_t::boolean, CFGT_BOOL, cfg_opt_t::simple_value, cfg_opt_t::type, and
       cfg_opt_t::values.

       Referenced by cfg_getnbool(), and cfg_opt_nprint_var().

   DLLIMPORT double __export cfg_opt_getnfloat (cfg_opt_t *opt, unsigned intindex)
       Returns the value of a floating point option, given a cfg_opt_t pointer.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           index Index of the value to get. Zero based.

       See Also:
           cfg_getnfloat

       References CFGT_FLOAT, cfg_value_t::fpnumber, cfg_opt_t::simple_value, cfg_opt_t::type,
       and cfg_opt_t::values.

       Referenced by cfg_getnfloat(), and cfg_opt_nprint_var().

   DLLIMPORT signed long __export cfg_opt_getnint (cfg_opt_t *opt, unsigned intindex)
       Returns the value of an integer option, given a cfg_opt_t pointer.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           index Index of the value to get. Zero based.

       See Also:
           cfg_getnint

       Examples:
           ftpconf.c.

       References CFGT_INT, cfg_value_t::number, cfg_opt_t::simple_value, cfg_opt_t::type, and
       cfg_opt_t::values.

       Referenced by cfg_getnint(), and cfg_opt_nprint_var().

   DLLIMPORT cfg_t* __export cfg_opt_getnsec (cfg_opt_t *opt, unsigned intindex)
       Returns the value of a section option, given a cfg_opt_t pointer.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           index Index of the value to get. Zero based.

       See Also:
           cfg_getnsec

       Examples:
           ftpconf.c.

       References CFGT_SEC, cfg_value_t::section, cfg_opt_t::type, and cfg_opt_t::values.

       Referenced by cfg_getnsec(), cfg_opt_gettsec(), and cfg_opt_print_indent().

   DLLIMPORT char* __export cfg_opt_getnstr (cfg_opt_t *opt, unsigned intindex)
       Returns the value of a string option, given a cfg_opt_t pointer.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           index Index of the value to get. Zero based.

       See Also:
           cfg_getnstr

       References CFGT_STR, cfg_opt_t::simple_value, cfg_value_t::string, cfg_opt_t::type, and
       cfg_opt_t::values.

       Referenced by cfg_getnstr(), and cfg_opt_nprint_var().

   DLLIMPORT cfg_t* __export cfg_opt_gettsec (cfg_opt_t *opt, const char *title)
       Returns the value of a section option, given a cfg_opt_t pointer and the title.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           title The title of this section. The CFGF_TITLE flag must have been set for this
           option.

       See Also:
           cfg_gettsec

       References cfg_opt_getnsec(), cfg_opt_size(), CFGF_NOCASE, CFGF_TITLE, cfg_opt_t::flags,
       and cfg_t::title.

       Referenced by cfg_gettsec().

   DLLIMPORT const char* __export cfg_opt_name (cfg_opt_t *opt)
       Return the name of an option.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())

       Returns:
           Returns the title, or 0 if there is no title. This string should not be modified.

       Examples:
           ftpconf.c.

       References cfg_opt_t::name.

   DLLIMPORT void __export cfg_opt_nprint_var (cfg_opt_t *opt, unsigned intindex, FILE *fp)
       Default value print function. Print only the value of a given option. Does not handle
       sections or functions. Use cfg_opt_print to print the whole assignment ('option = value'),
       or cfg_print to print the whole config file.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           index The index in the option value array that should be printed
           fp File stream to print to.

       See Also:
           cfg_print, cfg_opt_print

       References cfg_opt_getnbool(), cfg_opt_getnfloat(), cfg_opt_getnint(), cfg_opt_getnstr(),
       CFGT_BOOL, CFGT_FLOAT, CFGT_FUNC, CFGT_INT, CFGT_PTR, CFGT_SEC, CFGT_STR, and
       cfg_opt_t::type.

       Referenced by cfg_opt_print_indent().

   DLLIMPORT void __export cfg_opt_print (cfg_opt_t *opt, FILE *fp)
       Print an option and its value to a file. If a print callback function is specified for the
       option, it is used instead of cfg_opt_nprint_var.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           fp File stream to print to.

       See Also:
           cfg_print_func_t

       References cfg_opt_print_indent().

   DLLIMPORT void __export cfg_opt_print_indent (cfg_opt_t *opt, FILE *fp, intindent)
       Print an option and its value to a file. Same as cfg_opt_print, but with the indentation
       level specified.

       See Also:
           cfg_opt_print

       References cfg_opt_getnsec(), cfg_opt_nprint_var(), cfg_opt_size(), cfg_print_indent(),
       cfg_title(), CFGF_LIST, CFGF_TITLE, CFGT_FUNC, CFGT_SEC, CFGT_STR, cfg_opt_t::flags,
       cfg_opt_t::name, cfg_opt_t::nvalues, cfg_opt_t::pf, cfg_opt_t::simple_value,
       cfg_value_t::string, cfg_opt_t::type, and cfg_opt_t::values.

       Referenced by cfg_opt_print(), and cfg_print_indent().

   DLLIMPORT cfg_print_func_t __export cfg_opt_set_print_func (cfg_opt_t *opt,
       cfg_print_func_tpf)
       Set a print callback function for an option.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           pf The print function callback.

       See Also:
           cfg_print_func_t

       References cfg_opt_t::pf.

       Referenced by cfg_set_print_func().

   DLLIMPORT void __export cfg_opt_setnbool (cfg_opt_t *opt, cfg_bool_tvalue, unsigned intindex)
       Set a value of a boolean option.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           value The value to set.
           index The index in the option value array that should be modified. It is an error to
           set values with indices larger than 0 for options without the CFGF_LIST flag set.

       References cfg_value_t::boolean, CFGT_BOOL, and cfg_opt_t::type.

       Referenced by cfg_setnbool().

   DLLIMPORT void __export cfg_opt_setnfloat (cfg_opt_t *opt, doublevalue, unsigned intindex)
       Set a value of a floating point option.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           value The value to set.
           index The index in the option value array that should be modified. It is an error to
           set values with indices larger than 0 for options without the CFGF_LIST flag set.

       References CFGT_FLOAT, cfg_value_t::fpnumber, and cfg_opt_t::type.

       Referenced by cfg_setnfloat().

   DLLIMPORT void __export cfg_opt_setnint (cfg_opt_t *opt, long intvalue, unsigned intindex)
       Set a value of an integer option.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           value The value to set.
           index The index in the option value array that should be modified. It is an error to
           set values with indices larger than 0 for options without the CFGF_LIST flag set.

       References CFGT_INT, cfg_value_t::number, and cfg_opt_t::type.

       Referenced by cfg_setnint().

   DLLIMPORT void __export cfg_opt_setnstr (cfg_opt_t *opt, const char *value, unsigned intindex)
       Set a value of a string option.

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())
           value The value to set. Memory for the string is allocated and the value is copied.
           Any previous string value is freed.
           index The index in the option value array that should be modified. It is an error to
           set values with indices larger than 0 for options without the CFGF_LIST flag set.

       References CFGT_STR, cfg_value_t::string, and cfg_opt_t::type.

       Referenced by cfg_setnstr().

   DLLIMPORT unsigned int __export cfg_opt_size (cfg_opt_t *opt)
       Return the number of values this option has. If no default value is given for the option
       and no value was found in the config file, 0 will be returned (ie, the option value is not
       set at all).

       Parameters:
           opt The option structure (eg, as returned from cfg_getopt())

       Examples:
           ftpconf.c.

       References cfg_opt_t::nvalues.

       Referenced by cfg_opt_gettsec(), cfg_opt_print_indent(), and cfg_size().

   DLLIMPORT int __export cfg_parse (cfg_t *cfg, const char *filename)
       Parse a configuration file. Tilde expansion is performed on the filename before it is
       opened. After a configuration file has been initialized (with cfg_init()) and parsed (with
       cfg_parse()), the values can be read with the cfg_getXXX functions.

       Parameters:
           cfg The configuration file context as returned from cfg_init().
           filename The name of the file to parse.

       Returns:
           On success, CFG_SUCCESS is returned. If the file couldn't be opened for reading,
           CFG_FILE_ERROR is returned. On all other errors, CFG_PARSE_ERROR is returned and
           cfg_error() was called with a descriptive error message.

       Examples:
           ftpconf.c, reread.c, and simple.c.

       References cfg_parse_fp(), cfg_tilde_expand(), and cfg_t::filename.

   DLLIMPORT int __export cfg_parse_boolean (const char *s)
       Parse a boolean option string. Accepted 'true' values are 'true', 'on' and 'yes', and
       accepted 'false' values are 'false', 'off' and 'no'.

       Returns:
           Returns 1 or 0 (true/false) if the string was parsed correctly, or -1 if an error
           occurred.

       Referenced by cfg_setopt().

   DLLIMPORT int __export cfg_parse_buf (cfg_t *cfg, const char *buf)
       Same as cfg_parse() above, but takes a character buffer as argument.

       Parameters:
           cfg The configuration file context as returned from cfg_init().
           buf A zero-terminated string with configuration directives.

       See Also:
           cfg_parse()

       Examples:
           reread.c.

       References CFG_SUCCESS, cfg_t::filename, and cfg_t::line.

   DLLIMPORT int __export cfg_parse_fp (cfg_t *cfg, FILE *fp)
       Same as cfg_parse() above, but takes an already opened file as argument. Reading begins at
       the current position. After parsing, the position is not reset. The caller is responsible
       for closing the file.

       Parameters:
           cfg The configuration file context as returned from cfg_init().
           fp An open file stream.

       See Also:
           cfg_parse()

       References CFG_SUCCESS, cfg_t::filename, and cfg_t::line.

       Referenced by cfg_parse().

   DLLIMPORT void __export cfg_print (cfg_t *cfg, FILE *fp)
       Print the options and values to a file. Note that options in any included file are
       expanded and printed directly to the file. Option values given with environment variables
       in the parsed input are also printed expanded. This means that if you parse a
       configuration file you can't expect that the output from this function is identical to the
       initial file.

       Parameters:
           cfg The configuration file context.
           fp File stream to print to, use stdout to print to the screen.

       See Also:
           cfg_print_func_t, cfg_set_print_func

       Examples:
           simple.c.

       References cfg_print_indent().

   DLLIMPORT void __export cfg_print_indent (cfg_t *cfg, FILE *fp, intindent)
       Print the options and values to a file. Same as cfg_print, but with the indentation level
       specified.

       See Also:
           cfg_print

       References cfg_opt_print_indent(), cfg_opt_t::name, and cfg_t::opts.

       Referenced by cfg_opt_print_indent(), and cfg_print().

   DLLIMPORT cfg_errfunc_t __export cfg_set_error_function (cfg_t *cfg, cfg_errfunc_terrfunc)
       Install a user-defined error reporting function.

       Returns:
           The old error reporting function is returned.

       References cfg_t::errfunc.

   DLLIMPORT cfg_print_func_t __export cfg_set_print_func (cfg_t *cfg, const char *name,
       cfg_print_func_tpf)
       Set a print callback function for an option given its name.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           pf The print callback function.

       See Also:
           cfg_print_func_t

       References cfg_getopt(), and cfg_opt_set_print_func().

   DLLIMPORT cfg_validate_callback_t __export cfg_set_validate_func (cfg_t *cfg, const char
       *name, cfg_validate_callback_tvf)
       Register a validating callback function for an option.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           vf The validating callback function.

       See Also:
           cfg_validate_callback_t

       Examples:
           ftpconf.c.

       References cfg_t::flags, cfg_t::opts, and cfg_opt_t::validcb.

   DLLIMPORT void __export cfg_setbool (cfg_t *cfg, const char *name, cfg_bool_tvalue)
       Set the value of a boolean option given its name.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           value The value to set. If the option is a list (the CFGF_LIST flag is set), only the
           first value (with index 0) is set.

       References cfg_setnbool().

   DLLIMPORT void __export cfg_setfloat (cfg_t *cfg, const char *name, doublevalue)
       Set the value of a floating point option given its name.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           value The value to set. If the option is a list (the CFGF_LIST flag is set), only the
           first value (with index 0) is set.

       References cfg_setnfloat().

   DLLIMPORT void __export cfg_setint (cfg_t *cfg, const char *name, long intvalue)
       Set the value of an integer option given its name.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           value The value to set. If the option is a list (the CFGF_LIST flag is set), only the
           first value (with index 0) is set.

       References cfg_setnint().

   DLLIMPORT void __export cfg_setlist (cfg_t *cfg, const char *name, unsigned intnvalues, ...)
       Set values for a list option. All existing values are replaced with the new ones.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           nvalues Number of values to set.
           ... The values to set, the type must match the type of the option and the number of
           values must be equal to the nvalues parameter.

       References cfg_free_value(), cfg_getopt(), CFGF_LIST, and cfg_opt_t::flags.

   DLLIMPORT void __export cfg_setnbool (cfg_t *cfg, const char *name, cfg_bool_tvalue, unsigned
       intindex)
       Set a value of a boolean option given its name and index.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           value The value to set.
           index The index in the option value array that should be modified. It is an error to
           set values with indices larger than 0 for options without the CFGF_LIST flag set.

       References cfg_getopt(), and cfg_opt_setnbool().

       Referenced by cfg_setbool().

   DLLIMPORT void __export cfg_setnfloat (cfg_t *cfg, const char *name, doublevalue, unsigned
       intindex)
       Set a value of a floating point option given its name and index.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           value The value to set.
           index The index in the option value array that should be modified. It is an error to
           set values with indices larger than 0 for options without the CFGF_LIST flag set.

       References cfg_getopt(), and cfg_opt_setnfloat().

       Referenced by cfg_setfloat().

   DLLIMPORT void __export cfg_setnint (cfg_t *cfg, const char *name, long intvalue, unsigned
       intindex)
       Set a value of an integer option given its name and index.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           value The value to set.
           index The index in the option value array that should be modified. It is an error to
           set values with indices larger than 0 for options without the CFGF_LIST flag set.

       References cfg_getopt(), and cfg_opt_setnint().

       Referenced by cfg_setint().

   DLLIMPORT void __export cfg_setnstr (cfg_t *cfg, const char *name, const char *value, unsigned
       intindex)
       Set a value of a boolean option given its name and index.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           value The value to set. Memory for the string is allocated and the value is copied.
           Any privious string value is freed.
           index The index in the option value array that should be modified. It is an error to
           set values with indices larger than 0 for options without the CFGF_LIST flag set.

       References cfg_getopt(), and cfg_opt_setnstr().

       Referenced by cfg_setstr().

   DLLIMPORT cfg_value_t* cfg_setopt (cfg_t *cfg, cfg_opt_t *opt, char *value)
       Set an option (create an instance of an option).

       Parameters:
           cfg The configuration file context.
           opt The option definition.
           value The initial value for the option.

       Returns:
           Returns a pointer to the value object.

       References cfg_value_t::boolean, cfg_error(), cfg_free(), cfg_free_value(),
       cfg_parse_boolean(), CFGF_LIST, CFGF_MULTI, CFGF_NO_TITLE_DUPES, CFGF_NOCASE, CFGF_TITLE,
       CFGT_BOOL, CFGT_FLOAT, CFGT_INT, CFGT_PTR, CFGT_SEC, CFGT_STR, cfg_t::errfunc,
       cfg_t::filename, cfg_t::flags, cfg_opt_t::flags, cfg_value_t::fpnumber, cfg_t::line,
       cfg_t::name, cfg_opt_t::name, cfg_value_t::number, cfg_opt_t::nvalues, cfg_t::opts,
       cfg_opt_t::parsecb, cfg_value_t::ptr, cfg_value_t::section, cfg_opt_t::simple_value,
       cfg_value_t::string, cfg_opt_t::subopts, cfg_t::title, cfg_opt_t::type, and
       cfg_opt_t::values.

   DLLIMPORT void __export cfg_setstr (cfg_t *cfg, const char *name, const char *value)
       Set the value of a string option given its name.

       Parameters:
           cfg The configuration file context.
           name The name of the option.
           value The value to set. Memory for the string is allocated and the value is copied.
           Any previous string value is freed. If the option is a list (the CFGF_LIST flag is
           set), only the first value (with index 0) is set.

       Examples:
           simple.c.

       References cfg_setnstr().

   DLLIMPORT unsigned int __export cfg_size (cfg_t *cfg, const char *name)
       Return the number of values this option has. If no default value is given for the option
       and no value was found in the config file, 0 will be returned (ie, the option value is not
       set at all).

       Note that there is no way to not specify a default value for integers, floats and
       booleans. Ie, they always have default values (since 0 or NULL is a valid
       integer/float/boolean value). Only strings and lists may have no default value.

       Parameters:
           cfg The configuration file context.
           name The name of the option.

       Examples:
           ftpconf.c, and reread.c.

       References cfg_getopt(), and cfg_opt_size().

   DLLIMPORT char* __export cfg_tilde_expand (const char *filename)
       Does tilde expansion (~ -> $HOME) on the filename.

       Returns:
           The expanded filename is returned. If a ~user was not found, the original filename is
           returned. In any case, a dynamically allocated string is returned, which should be
           free()'d by the caller.

       Referenced by cfg_parse().

   DLLIMPORT const char* __export cfg_title (cfg_t *cfg)
       Return the title of a section.

       Parameters:
           cfg The configuration file context.

       Returns:
           Returns the title, or 0 if there is no title. This string should not be modified.

       References cfg_t::title.

       Referenced by cfg_opt_print_indent().

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