uselib(2) -- Linux man page
NAMEuselib - select shared library
DESCRIPTIONuselib selects the shared library binary that will be used by the calling process.
RETURN VALUEOn success, zero is returned. On error, -1 is returned, and errno is set appropriately.
ERRORSIn 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.
- The library specified by library is not readable.
CONFORMING TOuselib() is Linux specific, and should not be used in programs intended to be portable.
SEE ALSOar(1), gcc(1), ld(1), ldd(1), mmap(2), open(2), ld.so(8)