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Annotation of 43BSD/lib/libc/net/getservbyport.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 Regents of the University of California.
                      3:  * All rights reserved.  The Berkeley software License Agreement
                      4:  * specifies the terms and conditions for redistribution.
                      5:  */
                      6: 
                      7: #if defined(LIBC_SCCS) && !defined(lint)
                      8: static char sccsid[] = "@(#)getservbyport.c    5.3 (Berkeley) 5/19/86";
                      9: #endif LIBC_SCCS and not lint
                     10: 
                     11: #include <netdb.h>
                     12: 
                     13: extern int _serv_stayopen;
                     14: 
                     15: struct servent *
                     16: getservbyport(port, proto)
                     17:        int port;
                     18:        char *proto;
                     19: {
                     20:        register struct servent *p;
                     21: 
                     22:        setservent(_serv_stayopen);
                     23:        while (p = getservent()) {
                     24:                if (p->s_port != port)
                     25:                        continue;
                     26:                if (proto == 0 || strcmp(p->s_proto, proto) == 0)
                     27:                        break;
                     28:        }
                     29:        if (!_serv_stayopen)
                     30:                endservent();
                     31:        return (p);
                     32: }

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