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1.1 ! root 1: /* ! 2: * Copyright (c) 1983 Regents of the University of California. ! 3: * All rights reserved. ! 4: * ! 5: * Redistribution and use in source and binary forms are permitted ! 6: * provided that: (1) source distributions retain this entire copyright ! 7: * notice and comment, and (2) distributions including binaries display ! 8: * the following acknowledgement: ``This product includes software ! 9: * developed by the University of California, Berkeley and its contributors'' ! 10: * in the documentation or other materials provided with the distribution ! 11: * and in all advertising materials mentioning features or use of this ! 12: * software. Neither the name of the University nor the names of its ! 13: * contributors may be used to endorse or promote products derived ! 14: * from this software without specific prior written permission. ! 15: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR ! 16: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED ! 17: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 18: */ ! 19: ! 20: #if defined(LIBC_SCCS) && !defined(lint) ! 21: static char sccsid[] = "@(#)getproto.c 5.6 (Berkeley) 6/1/90"; ! 22: #endif /* LIBC_SCCS and not lint */ ! 23: ! 24: #include <netdb.h> ! 25: ! 26: extern int _proto_stayopen; ! 27: ! 28: struct protoent * ! 29: getprotobynumber(proto) ! 30: register int proto; ! 31: { ! 32: register struct protoent *p; ! 33: ! 34: setprotoent(_proto_stayopen); ! 35: while (p = getprotoent()) ! 36: if (p->p_proto == proto) ! 37: break; ! 38: if (!_proto_stayopen) ! 39: endprotoent(); ! 40: return (p); ! 41: }
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