BIO_get_md_ctx
#include <openssl/evp.h>
#define BIO_get_md_ctx(b, mdcp) BIO_ctrl(b, BIO_C_GET_MD_CTX, 0, (char *)mdcp)
Last edited 4/18/2002.
Copyright 2002 by Pravir Chandra, Matt Messier, John Viega.