-void des_cfb64_encrypt(const unsigned char *in, unsigned char *out,
- long length, des_key_schedule schedule, des_cblock *ivec,
- int *num, int enc)
+void DES_cfb64_encrypt(const unsigned char *in, unsigned char *out,
+ long length, DES_key_schedule *schedule,
+ DES_cblock *ivec, int *num, int enc)