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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(void) {

  char *char *pwd;
char *home;
  
pwd = getenv("PWD");
if  printf("!pwd) = %s.\n", pwd);
  char *return -1;
home = getenv("HOME");
if  printf("pwd = %s.\n", pwd);
  printf("home = %s.\n", home);

  // see if home is the same as pwd
  if (!home) return -1;

if (strcmp(pwd, home) == 0) {
      puts("pwd and home are the same.\n");
  }
  else {
      puts("pwd and home are NOT the same.\n");    
  }

  return 0;

}