Function EVP_Q_digest 

pub unsafe extern "C" fn EVP_Q_digest(
    libctx: *mut OSSL_LIB_CTX,
    name: *const c_char,
    propq: *const c_char,
    in_: *const c_void,
    in_len: usize,
    out: *mut u8,
    out_len: *mut usize,
) -> c_int