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/*
* Simple portable service name lookup.
* $Id$
* Copyright (c) 1997 by Tycho Softworks.
* For conditions of distribution and reuse see product license.
*/
#include <net/socket.h>
#include <std/string.h>
int getservice(const char *service)
{
char servname[32];
char *p;
struct servent *svc;
struct protoent *proto;
if(isdigit(*service))
return atoi(service);
strcpy(servname, service);
p = strchr(servname, '/');
if(!p)
strcat(servname, "/tcp");
p = strchr(servname, '/');
*(p++) = 0;
if(isdigit(*p))
{
proto = getprotobynumber(atoi(p));
if(!proto)
return 0;
p = proto->p_name;
}
svc = getservbyname(servname, p);
if(!svc)
return 0;
return ntohs(svc->s_port);
}
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