2 @section @code{bsd_signal}
5 POSIX specification: @url{http://www.opengroup.org/susv3xsh/bsd_signal.html}
9 Portability problems fixed by Gnulib:
13 Portability problems not fixed by Gnulib:
16 This function is missing on some platforms:
17 MacOS X 10.3, FreeBSD 6.0, NetBSD 3.0, Solaris 2.5.1, Cygwin, mingw, Interix 3.5.