lib/other/getlogin.c

   1 /*  getlogin(3)
   2  *
   3  *  Author: Terrence W. Holm          Aug. 1988
   4  */
   5
   6 #include <lib.h>
   7 #include <pwd.h>
   8 #include <unistd.h>
   9 #include <string.h>
  10 #include <stdio.h>
  11
  12 #ifndef  L_cuserid
  13 #define  L_cuserid   9
  14 #endif
  15
  16 char *getlogin()
  17 {
  18   PRIVATE char userid[L_cuserid];
  19   struct passwd *pw_entry;
  20
  21   pw_entry = getpwuid(getuid());
  22
  23   if (pw_entry == (struct passwd *)NULL) return((char *)NULL);
  24
  25   strcpy(userid, pw_entry->pw_name);
  26
  27   return(userid);
  28 }