The <dlfcn.h> header shall define at least the following macros for use in the construction of a dlopen() mode argument:
- Relocations are performed at an implementation-defined time.
- Relocations are performed when the object is loaded.
- All symbols are available for relocation processing of other modules.
All symbols are not made available for relocation processing by other
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.
COPYRIGHTPortions 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 .