/*
	File Name	: worcount.c
	Course Number   : ISYS 290 04
	Student Name    : Jason Gradziel
	Student Number  : 826-135-535
	Professors Name : Brian Perry
	Class Name      : Wednesday 9:55 - 12:35
	Lab Title       : Assignment #1 Word Count
	Description :  Enters a character string, sets a flag to 1
			if the character at the value of k is not a space,
			then when a space is read then it increaces num by
			one and sets flag to zero, and returns num.
	*/

#include <string.h>

int word_count(char* str)
{
	int num=0;
	int k=0;
	int flag=0;

	if (str[0] == '\0')	/* if a null or \0 char it enter as */
		return num;	/* the string */

	for (k=0; k<strlen(str); k++)
	{
		if (str[k] != ' ')	/* if char is a char */
		{
			flag=1;
		}
		else
		{
			if (flag==1)   /* if char is a space */
			{
				num++;
				flag=0;
			}
		}
	}
	if (str[strlen(str)-1] == ' ')  /* if char is a space one char */
		num = num - 1; 		/* before the \0 char */
	return num+1;
}