#include "des_locl.h"
void des_pcbc_encrypt(input, output, length, schedule, ivec, enc)
-des_cblock (*input);
-des_cblock (*output);
+const unsigned char *input;
+unsigned char *output;
long length;
des_key_schedule schedule;
-des_cblock (*ivec);
+des_cblock ivec;
int enc;
{
register DES_LONG sin0,sin1,xor0,xor1,tout0,tout1;