2 @section @file{string.h}
4 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/basedefs/string.h.html}
8 Portability problems fixed by Gnulib:
11 Some platforms provide a @code{NULL} macro that cannot be used in arbitrary
16 Portability problems not fixed by Gnulib: