@node getsubopt
@subsection @code{getsubopt}
@findex getsubopt

POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9799919799/functions/getsubopt.html}

Gnulib module: getsubopt
@mindex getsubopt

Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
mingw, MSVC 14, Android 7.1.
@item
This function is declared in @code{unistd.h} instead of
@code{stdlib.h} on some platforms:
Cygwin 1.7.1.
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@end itemize
