Defines starting with `e' in crypto

• ENC_KEYING_IN_C crypto/aesopt.h:134
• ENC_ROUND crypto/aesopt.h:367
• ENCRYPTION_IN_C crypto/aesopt.h:132
• ENC_UNROLL crypto/aesopt.h:288
• EXIT_FAILURE crypto/aes.h:40
• EXIT_SUCCESS crypto/aes.h:39