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DLFCN.H(7POSIX) - man page online | overview, conventions, and miscellany

Dynamic linking.

Chapter
2013
dlfcn.h(7POSIX)                     POSIX Programmer's Manual                     dlfcn.h(7POSIX)

PROLOG This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAME dlfcn.h — dynamic linking
SYNOPSIS #include <dlfcn.h>
DESCRIPTION The <dlfcn.h> header shall define at least the following symbolic constants 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 mod‐ ules. 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 POSIX.1‐2008, dlclose(), dlerror(), dlopen(), dlsym()
IEEE/The Open Group 2013 dlfcn.h(7POSIX)