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dlfcn.h(0P) POSIX Programmer's Manual dlfcn.h(0P)
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.
dlfcn.h — dynamic linking
#include <dlfcn.h>
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 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.
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The System Interfaces volume of POSIX.1‐2017, dlclose(3p), dlerror(3p), dlopen(3p), dlsym(3p)
Portions of this text are reprinted and reproduced in electronic
form from IEEE Std 1003.1-2017, Standard for Information
Technology -- Portable Operating System Interface (POSIX), The
Open Group Base Specifications Issue 7, 2018 Edition, Copyright
(C) 2018 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 .
Any typographical or formatting errors that appear in this page
are most likely to have been introduced during the conversion of
the source files to man page format. To report such errors, see
https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE/The Open Group 2017 dlfcn.h(0P)
Pages that refer to this page: dlclose(3p), dlerror(3p), dlopen(3p), dlsym(3p)