BSD 4_3 release

[unix-history] / usr / src / lib / libc / net / getservbyname.c

/*
* Copyright (c) 1983 Regents of the University of California.
* All rights reserved.  The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)getservbyname.c     5.3 (Berkeley) 5/19/86";
#endif LIBC_SCCS and not lint

#include <netdb.h>

extern int _serv_stayopen;

struct servent *
getservbyname(name, proto)
       char *name, *proto;
{
       register struct servent *p;
       register char **cp;

       setservent(_serv_stayopen);
       while (p = getservent()) {
               if (strcmp(name, p->s_name) == 0)
                       goto gotname;
               for (cp = p->s_aliases; *cp; cp++)
                       if (strcmp(name, *cp) == 0)
                               goto gotname;
               continue;
gotname:
               if (proto == 0 || strcmp(p->s_proto, proto) == 0)
                       break;
       }
       if (!_serv_stayopen)
               endservent();
       return (p);
}