gistfile1.txt

kristian@edwin:~$ cat foo.c
#include <stdint.h>
#include <stdio.h>
int main(void) {
	uintmax_t a=10,b=20,c=100;
	uint8_t d=10,e=20,f=100;
	if (a - b > c) printf("uintmax_t underflow\n");
	if (d - e > f) printf("uint8_t underflow\n");
	return 0;	
}
kristian@edwin:~$ gcc foo.c
kristian@edwin:~$ ./a.out 
uintmax_t underflow
kristian@edwin:~$