mask.c

#include <stdio.h>
#include <stdint.h>

#define COUNT 5

int main(void) {	
	int mask = 0;
		
	for (int j = 0; j < 32; j++) {
		printf("mask[%02d] = ", mask);
	
		for (int i = 0; i < COUNT; i++) {
			if(((mask >> i) & 0x01)) {
				printf("1 ");
			} else {
				printf("0 ");
			}
		}		
		mask++;
		printf("\n");
	}
}
/*
$ gcc -o mask mask.c && ./mask 
mask[00] = 0 0 0 0 0 
mask[01] = 1 0 0 0 0 
mask[02] = 0 1 0 0 0 
mask[03] = 1 1 0 0 0 
mask[04] = 0 0 1 0 0 
mask[05] = 1 0 1 0 0 
mask[06] = 0 1 1 0 0 
mask[07] = 1 1 1 0 0 
mask[08] = 0 0 0 1 0 
mask[09] = 1 0 0 1 0 
mask[10] = 0 1 0 1 0 
mask[11] = 1 1 0 1 0 
mask[12] = 0 0 1 1 0 
mask[13] = 1 0 1 1 0 
mask[14] = 0 1 1 1 0 
mask[15] = 1 1 1 1 0 
mask[16] = 0 0 0 0 1 
mask[17] = 1 0 0 0 1 
mask[18] = 0 1 0 0 1 
mask[19] = 1 1 0 0 1 
mask[20] = 0 0 1 0 1 
mask[21] = 1 0 1 0 1 
mask[22] = 0 1 1 0 1 
mask[23] = 1 1 1 0 1 
mask[24] = 0 0 0 1 1 
mask[25] = 1 0 0 1 1 
mask[26] = 0 1 0 1 1 
mask[27] = 1 1 0 1 1 
mask[28] = 0 0 1 1 1 
mask[29] = 1 0 1 1 1 
mask[30] = 0 1 1 1 1 
mask[31] = 1 1 1 1 1 
martin@martin:~/mask$ 
*/