Linux man pages : uselib (2)
USELIB(2) Linux Programmer's Manual USELIB(2)
uselib - select shared library
int uselib(const char *library);
uselib selects the shared library binary that will be used by the call-
On success, zero is returned. On error, -1 is returned, and errno is
In addition to all of the error codes returned by open(2) and mmap(2),
the following may also be returned:
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.
uselib() is Linux specific, and should not be used in programs intended
to be portable.
ar(1), gcc(1), ld(1), ldd(1), mmap(2), open(2), ld.so(8)
Linux 0.99.11 1993-07-24 USELIB(2)