1#define _GNU_SOURCE
2#include <pwd.h>
3#include <stdio.h>
4
5int putpwent(const struct passwd *pw, FILE *f)
6{
7	return fprintf(f, "%s:%s:%d:%d:%s:%s:%s\n",
8		pw->pw_name, pw->pw_passwd, pw->pw_uid, pw->pw_gid,
9		pw->pw_gecos, pw->pw_dir, pw->pw_shell)<0 ? -1 : 0;
10}
11