testPrint.c File Reference

Driver to test functions of printnum.c (do not modify) More...

#include <stdio.h>
#include <stdlib.h>
#include "printnum.h"

Functions
static void	usage ()
static int	getArg (char *arg)
int	main (int argc, char *argv[])

Variables
char *	digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"

Detailed Description

This is a driver program to test the functions defined in printnum.h and implemented in printnum.c.

Function Documentation

getArg()

static int getArg ( char *  arg )

static

Get int value from argument, allowing binary input like 0b0111001

Parameters

arg	string containing value (decimal, octal, hex, binary)

Returns

value

main()

int main	(	int	argc,
		char *	argv[]
	)

Entry point of the program

Parameters

argc	count of arguments, will always be at least 1
argv	array of parameters to program argv[0] is the name of the program, so additional parameters will begin at index 1.

Returns

0 the Linux convention for success.

usage()

static void usage ( )

static

Print a usage statement, then exit the program returning a non-zero value, the Linux convention indicating an error

Variable Documentation

digits

char* digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"

A string of characters representing the digits to output for a particular value. Defined in the file testPrint.c.