Compare Strings in C, DevC++

# include <stdlib.h>   // for exit()
# include <stdio.h>    // defines FILE


//project task
//ask for username and password of user.
//make 2 array (1 for username, 1 for password)
int pp;
//global list
  FILE *fptr;    // ptr to file for username
  char ch;
  FILE *x;

  FILE *fptr2;    // ptr to file for password
  char ch2;
  FILE *z;
  char theString[] = "First Mid Last";
  char theString1[100];
  char theString2[100];
  char zzzz[100];
  char storeuser[100];
//global list     
int main()
{
   
     
         
     if ((fptr = fopen("username.txt","r"))== NULL )  // open file in writing mode
      {
        printf("Can't open file username.txt\n");
        getch();
        exit(1);  // error return value
        }       
        
        
        
     if ((fptr2 = fopen("password.txt","r"))== NULL )  // open file in writing mode
      {
        printf("Can't open file password.txt\n");
        getch();
        exit(1);  // error return value
        }       
     printf("Enter your userame\n");
     
   scanf("%s", &theString1);
//   printf("%s", theString1);
     
     printf("Enter your password\n");
     
   scanf("%s", &theString2);
//   printf("%s", theString2);
     
     
     printf("%s", fptr);
     while ((ch = getc(fptr)) != EOF)
     
     
 
     printf("%c",ch);
     
     

     
     fclose(fptr);
     
     getch();
     
     return 0;
        
}