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RedHat 9 (Linux i386) - man page for uselib (redhat section 2)

USELIB(2)						     Linux Programmer's Manual							 USELIB(2)

NAME
uselib - select shared library
SYNOPSIS
#include <unistd.h> int uselib(const char *library);
DESCRIPTION
uselib selects the shared library binary that will be used by the calling process.
RETURN VALUE
On success, zero is returned. On error, -1 is returned, and errno is set appropriately.
ERRORS
In addition to all of the error codes returned by open(2) and mmap(2), the following may also be returned: ENOEXEC The file specified by library is not executable, or does not have the correct magic numbers. EACCES The library specified by library is not readable.
CONFORMING TO
uselib() is Linux specific, and should not be used in programs intended to be portable.
SEE ALSO
ar(1), gcc(1), ld(1), ldd(1), mmap(2), open(2), ld.so(8) Linux 0.99.11 1993-07-24 USELIB(2)