* Add stub implementations for non-Win32 platforms. * Rename *errno to *errnum to match STRERROR(3).
* Add stub implementations for non-Win32 platforms.
* Rename *errno to *errnum to match STRERROR(3).

jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm