11.17 getopt.h

Defines the type struct option and declares the variables optarg, optind, opterr, optopt and the functions getopt, getopt_long, getopt_long_only.

Documentation:

• http://www.gnu.org/software/libc/manual/html_node/Getopt.html,
• man getopt.

Gnulib module: getopt-gnu

Portability problems fixed by Gnulib:

• This header file is missing on some platforms: AIX 5.1, HP-UX 11, MSVC 9, Interix 3.5.
• The function getopt_long is missing on some platforms: IRIX 6.5, OSF/1 5.1, Solaris 9.
• The function getopt_long_only is missing on some platforms: Mac OS X 10.3, FreeBSD 5.2.1, NetBSD 5.0, IRIX 6.5, OSF/1 5.1, Solaris 9, mingw.
• The method to reset options is incompatible on some platforms: FreeBSD 6.0, NetBSD 5.0(?), OpenBSD 3.8, Cygwin 1.5.x, mingw.
• The function getopt does not handle a leading ‘+’ character in the options string on some platforms: Solaris 11 2010-11.

Portability problems not fixed by Gnulib: