/* * Copyright (c) 1983 Regents of the University of California. * All rights reserved. * * %sccs.include.redist.c% */ #if defined(LIBC_SCCS) && !defined(lint) static char sccsid[] = "@(#)getproto.c 5.6 (Berkeley) 06/01/90"; #endif /* LIBC_SCCS and not lint */ #include extern int _proto_stayopen; struct protoent * getprotobynumber(proto) register int proto; { register struct protoent *p; setprotoent(_proto_stayopen); while (p = getprotoent()) if (p->p_proto == proto) break; if (!_proto_stayopen) endprotoent(); return (p); }