sha512_224_init
ATTRIBUTE_WARN_UNUSED_RET int sha512_224_init(sha512_224_context *ctx);
return sha512_224_init((sha512_224_context*)hctx);
ret = sha512_224_init(&ctx); EG(ret, err);
ret = sha512_224_init(&ctx); EG(ret, err);
#define sha512_224_Init sha512_224_init
int sha512_224_init(SHA512_CTX *);
sha512_224_init, SHA512_Update, SHA512_Final)