1#include <unistd.h>
2#include <sys/utsname.h>
3
4int gethostname(char *name, size_t len)
5{
6	size_t i;
7	struct utsname uts;
8	if (uname(&uts)) return -1;
9	if (len > sizeof uts.nodename) len = sizeof uts.nodename;
10	for (i=0; i<len && (name[i] = uts.nodename[i]); i++);
11	if (i==len) name[i-1] = 0;
12	return 0;
13}
14