divide.c

/**
 * Division Challenge - divide.c
 * William LaFrance
 * 2011 March 28
 */

#import <stdio.h>

#define null 0x0

int main() {

	if (divide(50, 5, null) == 10) {
		printf("Pass\n");
	} else {
		printf("Fail\n");
	}
	
	int remainder;
	if (divide(54, 5, &remainder) == 10) {
		printf("Pass\n");
	} else {
		printf("Fail\n");
	}
	if (remainder == 4) {
		printf("Pass\n");
	} else {
		printf("Fail - Remainder is %d, should be 4\n", remainder);
	}
	
	return 1;
}

int divide(int numerator, int denominator, int *remainder) {
	int retVal;
	int _numerator = numerator;
	for (retVal = 0; _numerator >= denominator; retVal++) {
		_numerator -= denominator;
	}
	
	if (remainder != 0x00) {
		*remainder = _numerator;
	}
	return retVal;
}