MattFunctions

//START HEADER

#ifndef MATTFUNCTIONS
#define MATTFUNCTIONS
void println(const char* format, ...);
int isEven(int n);
int isOdd(int n);
#endif

//END HEADER

//START SOURCE FILE

#include <stdio.h>
#include <stdarg.h>

void println(const char* format, ...)
{
    va_list args;
    va_start(args, format);
    vprintf(format, args);
    va_end(args);
    printf("\n");
}

int isEven(int n)
{
    return ((n & 1) == 0);
}

int isOdd(int n)
{
    return ((n & 1) == 1);
}

//END SOURCE FILE