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Files Reference

dlfcn.h File

Purpose

Describes dynamic linking.

Syntax

#include <dlfcn.h>

Description

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

RTLD_LAZY Relocations are performed at an implementation-dependent 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 header <dlfcn.h> declares the following functions, which may also be defined as macros:

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

Related Information

The dlopen, dlclose, dlsym, dlerror subroutines.

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