#include <stdio.h>
#include <pwd.h>
#include <sys/types.h>

int main(int argc, char **argv)
{
   const char *name;
   struct passwd *pw;

   if (argc <= 1)
      return 1;
   name = argv[1];
   pw = getpwnam(name);
   if (pw != NULL) {
      printf("%s %d %d\n", pw->pw_name, pw->pw_uid, pw->pw_gid);
      return 0;
   }
   return 1;
}