do not use int as argument types of native functions
do not use int as argument types of native functions

because int type cannot take 0xffffffff and there's not unsigned int in
JSX.

dj31416/JSX,dj31416/JSX,jsx/JSX,jsx/JSX,jsx/JSX,dj31416/JSX,dj31416/JSX,jsx/JSX,jsx/JSX,dj31416/JSX