bool get_key_state(dword p_k){
	bool result;
	#ifdef PLATFORM_WIN32
		result = true;
		//... Here need to optimize
		if(p_k & 0xffff)
			result &= (bool)(((char)::GetKeyState(p_k & 0xffff)) & 128);
		
		if((result)&&(p_k & K_ALT))
			result &= GetAlt();
			
		if((result)&&(p_k & K_SHIFT))
			result &= GetShift();
			
		if((result)&&(p_k & K_CTRL))
			result &= GetCtrl();
	#elif PLATFORM_X11
		result = true;
		char key_map_stat[32];
		XQueryKeymap(Xdisplay, key_map_stat);
		
		if(p_k & 0xffff){
			KeyCode k_code = XKeysymToKeycode(Xdisplay, p_k & 0xffff);
			result &= ((key_map_stat[k_code >> 3] >> (k_code & 7)) & 1);
		}
		
		if((result)&&(p_k & K_ALT)){
			const KeyCode alt_l = XKeysymToKeycode(Xdisplay,XK_Alt_L);
			const KeyCode alt_r = XKeysymToKeycode(Xdisplay,XK_Alt_R);
			
			result &= (((key_map_stat[alt_l >> 3] >> (alt_l & 7)) & 1)
				  ||((key_map_stat[alt_r >> 3] >> (alt_r & 7)) & 1));
		}
			
		if((result)&&(p_k & K_SHIFT)){
			const KeyCode shift_l = XKeysymToKeycode(Xdisplay,XK_Shift_L);
			const KeyCode shift_r = XKeysymToKeycode(Xdisplay,XK_Shift_R);
			
			result &= (((key_map_stat[shift_l >> 3] >> (shift_l & 7)) & 1)
				  ||((key_map_stat[shift_r >> 3] >> (shift_r & 7)) & 1));
		}
		
		if((result)&&(p_k & K_CTRL)){
			const KeyCode control_l = XKeysymToKeycode(Xdisplay,XK_Control_L);
			const KeyCode control_r = XKeysymToKeycode(Xdisplay,XK_Control_R);
			
			result &= (((key_map_stat[control_l >> 3] >> (control_l & 7)) & 1)
				  ||((key_map_stat[control_r >> 3] >> (control_r & 7)) & 1));
		}
	#else
		result = false;
		//ASSERT_(false, "Get key state is not implemented for this platform")
	#endif
		return result;
}

if(get_key_state(K_CTRL_C)){
..................// add our code
}