DIGEST_CTX
DIGEST_CTX context;
DIGEST_CTX context;
DIGEST_CTX ctx;
DIGEST_CTX ctx;
static void digest_init(DIGEST_CTX *);
static void digest_update(DIGEST_CTX *, const char *, size_t);
static char *digest_end(DIGEST_CTX *, char *);
digest_init(DIGEST_CTX *c)
digest_update(DIGEST_CTX *c, const char *data, size_t len)
digest_end(DIGEST_CTX *c, char *buf)