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 && i==len) name[i-1] = 0;
12 return 0;
13}