trusty (7) dlfcn.h.7posix.gz

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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()


       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 .