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May 21st, 2017
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C 1.04 KB | None | 0 0
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4.  
  5.  
  6. int main()
  7. {
  8.     FILE *info;
  9.     info = fopen("info.txt", "r");
  10.    
  11.     char username[10];
  12.     char password[10];
  13.     char storedusername[10];
  14.     char storedpassword[10];
  15.     int numrows = 0;
  16.     int k = 0;
  17.     int usernamelength = 0;
  18.     int passwordlength = 0;
  19.    
  20.     printf("\n\n\n\n\t\t L  O  G  I  N   R  E  Q  U  I  R  E  D\n");
  21.    
  22.     do {
  23.         printf("\n\t\t\t Username: ");
  24.         scanf("%s", username);
  25.         usernamelength = strlen(username);
  26.         }
  27.     while (usernamelength < 7);
  28.    
  29.     fscanf(info, "%i", &numrows);
  30.    
  31.     for (k = 0; k < numrows; k++)
  32.     {
  33.         fscanf(info, "%s" "%s", &storedusername[k], &storedpassword[k]);
  34.         if (strcmp(username,&storedusername[k]) == 0)
  35.         {
  36.             break;
  37.         }
  38.  
  39.     }
  40.    
  41.    
  42.    
  43.    
  44.    
  45.    
  46.     do {
  47.         printf("\n\t\t\t Password: ");
  48.         scanf("%s", password);
  49.         passwordlength = strlen(password);
  50.         }
  51.     while (passwordlength < 6);
  52.  
  53.    
  54.     printf("%s\n", &storedpassword[0]);
  55.     printf("%s\n", &storedpassword[1]);
  56.     printf("%s\n", &storedpassword[2]);    
  57.    
  58.    
  59.    
  60.     fclose(info);
  61.     return 0;
  62. }
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