move msghdr and cmsghdr out of bits/socket.h
[musl.git] / src / legacy / cuserid.c
blob4e78798ded26b09992bb69c4383447a805ae2ab9
1 #define _GNU_SOURCE
2 #include <pwd.h>
3 #include <stdio.h>
4 #include <unistd.h>
6 char *cuserid(char *buf)
8 struct passwd pw, *ppw;
9 long pwb[256];
10 if (getpwuid_r(geteuid(), &pw, (void *)pwb, sizeof pwb, &ppw))
11 return 0;
12 snprintf(buf, L_cuserid, "%s", pw.pw_name);
13 return buf;