-void des_ncbc_encrypt(des_cblock (*input), des_cblock (*output), long length,
- des_key_schedule schedule, des_cblock (*ivec), int enc)
+#ifdef CBC_ENC_C__DONT_UPDATE_IV
+void DES_cbc_encrypt(const unsigned char *in, unsigned char *out, long length,
+ DES_key_schedule *_schedule, DES_cblock *ivec, int enc)
+#else
+void DES_ncbc_encrypt(const unsigned char *in, unsigned char *out, long length,
+ DES_key_schedule *_schedule, DES_cblock *ivec, int enc)
+#endif