2 @section @file{regex.h}
4 POSIX specification: @url{http://www.opengroup.org/susv3xbd/regex.h.html}
8 Portability problems fixed by Gnulib:
11 This header file is missing on some platforms:
15 Portability problems not fixed by Gnulib:
18 This header file is not self-contained on some platforms: it requires
19 @code{<sys/types.h>} to be included first.