Function gpgme_sys::gpgme_op_createkey_start

pub unsafe extern "C" fn gpgme_op_createkey_start(
    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