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dlfcn.h

Section: POSIX Programmer's Manual (0P)
Updated: 2013
Index Return to Main Contents
 

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 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 POSIX.1-2008, dlclose(), dlerror(), dlopen(), dlsym()  

COPYRIGHT

Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) 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.unix.org/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 .


 

Index

PROLOG
NAME
SYNOPSIS
DESCRIPTION
APPLICATION USAGE
RATIONALE
FUTURE DIRECTIONS
SEE ALSO
COPYRIGHT


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