text: #include <stdio.h>
  #include <stdlib.h>
  
  extern int _basic_encrypt(int x);
  
  
  
  int main(int argc, char *argv[]){
      int total;
      int x;
      int data;
      int choice;
      char d;
     // d=_testys('d');
     // printf("%d message Encrypted\n", _testys('d'));
  
          printf(" press 1: FOR Integer Encryption\n");
          printf(" press 2: FOR Integer Decryption\n");
          printf(" press 3: FOR Character Encryption\n");
          printf(" press 4: FOR Character Decryption\n");
          scanf("%d", &choice); 
  
          if (choice==1)
          {
              printf(" Enter Data For Encryption\n");
               scanf("%d", &data); 
              total = _basic_encrypt('d');
           printf("%d message Encrypted\n",  total);
          
          }
          else if (choice==2)
          {
               printf(" Enter Data For Decryption\n");
                scanf("%d", &data); 
              x = _basic_decrypt(data);
           printf("%d Message decrypted\n ", x);
          
           }
  
             else if (choice==3)
          {
               printf(" Enter Character Data For Encryption\n");
                //scanf("%c", &d); 
             // x = _basic_decrypt(data);
           printf("%d Message enrypted\n ",  _basic_encrypt_char('d'));
          
           }
  
             else if (choice==4)
          {
               printf(" Enter Character For Decryption\n");
               scanf("%d", &data); 
              //x = _basic_decrypt(data);
           printf("%c Message decrypted\n ",  _basic_decrypt_char(data));
          
           }
      
      return 0;
  }