clearAimuxCError function
Reset err to OK / no hint / no message (mirrors aimux_error_clear).
Implementation
void clearAimuxCError(Pointer<AimuxCError> err) {
err.ref.code = AimuxErrorCode.ok;
err.ref.status = -1;
err.ref.retryMs = -1;
err.ref.message = nullptr;
err.ref.errorValue = nullptr;
err.ref.reserved0 = nullptr;
}