* AHPA #5: Caesar's Cipher * * Open the file "clearMessage.txt". *  * Read each character of text using fgetc. * * Convert each ASCII character to its numeric equivalent. * * Apply the Caesar Cipher and increment each character by 3. * * Only convert alphabetic characters – leave all other characters  * unchanged. * * Convert each character back to its ASCII value. * * Write the encoded message out to the file "secretMessage.txt". use c language

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