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its working now. i removed the call to the function clear_input_buffer().

thank you:)

you can write the following function and call it before calling the gets function.



clear_input_buffer();
gets(string);


The function clear_input_buffer is as follows:

yeah, my mistake.
but there is a puts() function before the encrypt function and it is not returnin the ptext string on the screen.

This is a program for Playfair Cipher, but after the encrypt function, puts() function is not returning the encrypted text.
i would be glad if someone helped me out.
The code is as follows:


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