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Annotation of 43BSDReno/lib/libc/net/getservbyname.c, revision 1.1.1.1

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[] = "@(#)getservbyname.c    5.6 (Berkeley) 6/1/90";
                     22: #endif /* LIBC_SCCS and not lint */
                     23: 
                     24: #include <netdb.h>
                     25: 
                     26: extern int _serv_stayopen;
                     27: 
                     28: struct servent *
                     29: getservbyname(name, proto)
                     30:        char *name, *proto;
                     31: {
                     32:        register struct servent *p;
                     33:        register char **cp;
                     34: 
                     35:        setservent(_serv_stayopen);
                     36:        while (p = getservent()) {
                     37:                if (strcmp(name, p->s_name) == 0)
                     38:                        goto gotname;
                     39:                for (cp = p->s_aliases; *cp; cp++)
                     40:                        if (strcmp(name, *cp) == 0)
                     41:                                goto gotname;
                     42:                continue;
                     43: gotname:
                     44:                if (proto == 0 || strcmp(p->s_proto, proto) == 0)
                     45:                        break;
                     46:        }
                     47:        if (!_serv_stayopen)
                     48:                endservent();
                     49:        return (p);
                     50: }

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