Add prototypes.

#ifndef OPENSSL_NO_BF

#undef EVP_bf_cfb

const EVP_CIPHER *EVP_bf_cfb(void);

const EVP_CIPHER *EVP_bf_cfb(void) { return EVP_bf_cfb64(); }

#endif

#ifndef OPENSSL_NO_DES

#undef EVP_des_cfb

const EVP_CIPHER *EVP_des_cfb(void);

const EVP_CIPHER *EVP_des_cfb(void) { return EVP_des_cfb64(); }

#undef EVP_des_ede3_cfb

const EVP_CIPHER *EVP_des_ede3_cfb(void);

const EVP_CIPHER *EVP_des_ede3_cfb(void) { return EVP_des_ede3_cfb64(); }

#undef EVP_des_ede_cfb

const EVP_CIPHER *EVP_des_ede_cfb(void);

const EVP_CIPHER *EVP_des_ede_cfb(void) { return EVP_des_ede_cfb64(); }

#endif

#ifndef OPENSSL_NO_IDEA

#undef EVP_idea_cfb

const EVP_CIPHER *EVP_idea_cfb(void);

const EVP_CIPHER *EVP_idea_cfb(void) { return EVP_idea_cfb64(); }

#endif

#ifndef OPENSSL_NO_RC2

#undef EVP_rc2_cfb

const EVP_CIPHER *EVP_rc2_cfb(void);

const EVP_CIPHER *EVP_rc2_cfb(void) { return EVP_rc2_cfb64(); }

#endif

#ifndef OPENSSL_NO_CAST5

#undef EVP_cast5_cfb

const EVP_CIPHER *EVP_cast5_cfb(void);

const EVP_CIPHER *EVP_cast5_cfb(void) { return EVP_cast5_cfb64(); }

#endif

#ifndef OPENSSL_NO_RC5

#undef EVP_rc5_32_12_16_cfb

const EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);

const EVP_CIPHER *EVP_rc5_32_12_16_cfb(void) { return EVP_rc5_32_12_16_cfb64(); }

#endif

#ifndef OPENSSL_NO_AES

#undef EVP_aes_128_cfb

const EVP_CIPHER *EVP_aes_128_cfb(void);

const EVP_CIPHER *EVP_aes_128_cfb(void) { return EVP_aes_128_cfb128(); }

#undef EVP_aes_192_cfb

const EVP_CIPHER *EVP_aes_192_cfb(void);

const EVP_CIPHER *EVP_aes_192_cfb(void) { return EVP_aes_192_cfb128(); }

#undef EVP_aes_256_cfb

const EVP_CIPHER *EVP_aes_256_cfb(void);

const EVP_CIPHER *EVP_aes_256_cfb(void) { return EVP_aes_256_cfb128(); }

#endif