1#define _GNU_SOURCE
2#include <netdb.h>
3
4struct servent *getservbyport(int port, const char *prots)
5{
6	static struct servent se;
7	static long buf[32/sizeof(long)];
8	struct servent *res;
9	if (getservbyport_r(port, prots, &se, (void *)buf, sizeof buf, &res))
10		return 0;
11	return &se;
12}
13