usr/src/lib/libc/net/getservbyport.c

/*      getservbyport.c 4.2     82/10/05        */

#include <netdb.h>

struct servent *
getservbyport(port, proto)
        int port;
        char *proto;
{
        register struct servent *p;

        setservent(0);
        while (p = getservent()) {
                if (p->s_port != port)
                        continue;
                if (proto == 0 || strcmp(p->s_proto, proto) == 0)
                        break;
        }
        endservent();
        return (p);
}