#ifndef NO_ASN1_OLD
-int ASN1_digest(int (*i2d)(), const EVP_MD *type, char *data,
- unsigned char *md, unsigned int *len)
+int ASN1_digest(int (*i2d)(void *, unsigned char **),
+ const EVP_MD *type, char *data, unsigned char *md,
+ unsigned int *len)
{
int i;
unsigned char *str,*p;