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NAME

       dlfcn.h - dynamic linking

SYNOPSIS

       #include <dlfcn.h>

DESCRIPTION

       The <dlfcn.h> header shall define at least the following macros for use
       in the construction of a dlopen() mode argument:

       RTLD_LAZY
              Relocations are performed at an implementation-defined time.

       RTLD_NOW
              Relocations are performed when the object is loaded.

       RTLD_GLOBAL
              All symbols are available for  relocation  processing  of  other
              modules.

       RTLD_LOCAL
              All  symbols are not made available for relocation processing by
              other modules.

       The following shall be declared as functions and may also be defined as
       macros. Function prototypes shall be provided.

              int    dlclose(void *);
              char  *dlerror(void);
              void  *dlopen(const char *, int);
              void  *dlsym(void *restrict, const char *restrict);

       The following sections are informative.

APPLICATION USAGE

       None.

RATIONALE

       None.

FUTURE DIRECTIONS

       None.

SEE ALSO

       The   System   Interfaces  volume  of  IEEE Std 1003.1-2001,  dlopen(),
       dlclose(), dlsym(), dlerror()

COPYRIGHT

       Portions of this text are reprinted and reproduced in  electronic  form
       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
       -- Portable Operating System Interface (POSIX),  The  Open  Group  Base
       Specifications  Issue  6,  Copyright  (C) 2001-2003 by the Institute of
       Electrical and Electronics Engineers, Inc and The Open  Group.  In  the
       event of any discrepancy between this version and the original IEEE and
       The Open Group Standard, the original IEEE and The Open Group  Standard
       is  the  referee document. The original Standard can be obtained online
       at http://www.opengroup.org/unix/online.html .