#include <stdio.h>
int main(void)
{
	unsigned char us;	/* using short makes twofish colapse */
	unsigned int ui;
	unsigned long ul;
	unsigned long long ull;
	
	printf("#ifndef _UINT_H\n#define _UINT_H\n\n");
	printf(" /* This file was auto-generated. Do not edit! */\n\n");
	/* u8 */
	us = 1<<6;
	us += us;
	if(us)printf("typedef unsigned char u8;\n\n");
	else{
		ui = 1<<6;
		ui += ui;
		if(ui) printf("typedef unsigned int u8;\n\n");
	}
	printf("#define U8_MAX	0xFF\n\n");

	/* u16 */
	ui = 1<<14;
	ui += ui;
	if(ui)printf("typedef unsigned int u16;\n\n");
	else{
		ul = 1<<14;
		ul += ul;
		if(ul) printf("typedef unsigned long u16;\n\n");
	}
	printf("#define U16_MAX	0xFFFF\n\n");

	/* u32 */
	ui = 1<<30;
	ui += ui;
	if(ui)printf("typedef unsigned int u32;\n\n");
	else{
		ul = 1<<30;
		ul += ul;
		if(ul) printf("typedef unsigned long u32;\n\n");
		else{
			ull = 1<<30;
			ull += ull;
			if(ull) printf("typedef unsigned long long u32;\n\n");
		}
	}
	printf("#define U32_MAX	0xFFFFFFFF\n\n");
	
	/* u64 */
	ui = 1<<31;
	ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui;
	ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui;
	ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui;
	ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui; ui += ui;
	if(ui)printf("typedef unsigned int u64;\n\n");
	else{
		ul = 1<<31;
		ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul;
		ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul;
		ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul;
		ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul; ul += ul;
		if(ul) printf("typedef unsigned long u64;\n\n");
		else{
			ull = 1<<31;
			ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull;
			ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull;
			ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull;
			ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull; ull += ull;
			if(ull) printf("typedef unsigned long long u64;\n\n");
			else printf(" * no u64 available !! *\n\n");
		}
	}
	printf("#define U64_MAX	0xFFFFFFFFFFFFFFFF\n\n");
	printf("#endif\n");
	return 0;
}