8.59 sys/select.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_select.h.html

Gnulib module: sys_select

Portability problems fixed by Gnulib:

• This header file is missing on some platforms: HP-UX 11.11, NonStop Kernel, mingw, MSVC 9, BeOS.
• This header file is not self-contained on some platforms: it requires <sys/types.h> to be included first.
• This header file does not define struct timeval on some platforms: OSF/1 4.0.
• This header file is not self-contained—it requires <string.h> before FD_ZERO can be used—on some platforms: AIX 7.1, Solaris 11 2011-11.

Portability problems not fixed by Gnulib: