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Annotation of 43BSDTahoe/lib/libc/net/getservbyname.c, revision 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 the above copyright notice and this paragraph are
        !             7:  * duplicated in all such forms and that any documentation,
        !             8:  * advertising materials, and other materials related to such
        !             9:  * distribution and use acknowledge that the software was developed
        !            10:  * by the University of California, Berkeley.  The name of the
        !            11:  * University may not be used to endorse or promote products derived
        !            12:  * from this software without specific prior written permission.
        !            13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
        !            14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
        !            15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            16:  */
        !            17: 
        !            18: #if defined(LIBC_SCCS) && !defined(lint)
        !            19: static char sccsid[] = "@(#)getservbyname.c    5.5 (Berkeley) 6/27/88";
        !            20: #endif /* LIBC_SCCS and not lint */
        !            21: 
        !            22: #include <netdb.h>
        !            23: 
        !            24: extern int _serv_stayopen;
        !            25: 
        !            26: struct servent *
        !            27: getservbyname(name, proto)
        !            28:        char *name, *proto;
        !            29: {
        !            30:        register struct servent *p;
        !            31:        register char **cp;
        !            32: 
        !            33:        setservent(_serv_stayopen);
        !            34:        while (p = getservent()) {
        !            35:                if (strcmp(name, p->s_name) == 0)
        !            36:                        goto gotname;
        !            37:                for (cp = p->s_aliases; *cp; cp++)
        !            38:                        if (strcmp(name, *cp) == 0)
        !            39:                                goto gotname;
        !            40:                continue;
        !            41: gotname:
        !            42:                if (proto == 0 || strcmp(p->s_proto, proto) == 0)
        !            43:                        break;
        !            44:        }
        !            45:        if (!_serv_stayopen)
        !            46:                endservent();
        !            47:        return (p);
        !            48: }

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