* sock.c, configure.in: Portability fixes for FreeBSD, Solaris and IRIX.
* sock.c (main): Cast arg 4 of setsockopt to void * (portability).
* sock.c, configure.in: Portability fixes for FreeBSD, Solaris and IRIX.
* sock.c (main): Cast arg 4 of setsockopt to void * (portability).