Function gpgme_sys::gpgme_op_createkey

pub unsafe extern "C" fn gpgme_op_createkey(
    ctx: gpgme_ctx_t,
    userid: *const c_char,
    algo: *const c_char,
    reserved: c_ulong,
    expires: c_ulong,
    certkey: gpgme_key_t,
    flags: c_uint
) -> gpgme_error_t