Convert decimal to binary using Big-Endian notation.

binary-bigendian.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>

#define BIT_0 "0"
#define BIT_1 "1"

int main(int argc , char **argv){
	
	int number = atoi(argv[1]);
	
	char bits[64] = ""; // string array to represent the binary number
	char r=0; // the rest can only be 0 or 1
	int q=1; // the quotient

	while (q > 0){
		q = number / 2;
		r = number % 2;	
		(r == 0) ? strcat(bits, BIT_0) : strcat(bits, BIT_1);
		printf("n = %d , q = %d, r = %d \n", number, q, r);	 
		number = q;
	}

	printf("Binary 0b%s \n", bits);
}