coreutils/logname.c

   1 /* @logname.c */
   2 #include <stdio.h>
   3 #include <unistd.h>
   4 #include <string.h>
   5 #include <errno.h>
   6
   7 int main(int argc, char **argv) {
   8  char *name;
   9  if(name=getlogin())
  10   printf("%s\n",name);
  11  else
  12   fprintf(stderr,"%s: could not get login name: %s\n",argv[0],strerror(errno));
  13  return !name;
  14 }