/*******************************************
Engineering 3891 Advanced Structured Programming
Assignment: 3 Date Due: October 5th/2000
Name: Daryl Martin
Student #: 9713520
Username: darylm
********************************************/

#include "assign3.h"

/******************************************************************
* strDup -- Copy the string in the source array to the dest array.
*
* Parameters:
* *dest -- The destination string (output)
* *source -- The origonal string (input)
*
* Modifies: none
*
* Returns: A copy of a string Date: 10/05/00
*******************************************************************/

void strDup(char *dest, const char *source)
{
while (*source)
*dest++ = *source++; //Copy's the string to dest location
}

/******************************************************************
* strCat -- Add the source string to the end of the dest string.
*
* Parameters:
* *dest -- The destination string (output)
* *source -- The origonal string (input)
*
* Modifies: none
*
* Returns: two strings combined Date: 10/05/00
*******************************************************************/

void strCat(char *dest, const char *source)
{
while (*dest)
dest++; //goes to the end of the string dest
while (*source)
*(dest++) = *(source++); //Add's source to the string dest
}

/******************************************************************
* strRev -- Reverses the string IN PLACE. e.g. "the" would become "eht"
* and "function" would become "noitcnuf"
* Parameters:
* *theString -- The origonal string (input)
*
* Modifies: none
*
* Returns: The string reversed Date: 10/05/00
*******************************************************************/

void strRev(char *theString)
{
int count=0; //make variable count
char temp; //make a temporary character temp

while (*(theString+count))
count++; // Counts the number of characters

for(int i = 1; i <= (count/2); i++)
{
temp = theString[i-1]; //loads this value into temp
theString[i-1] = theString[count-i];
theString[count-i] = temp; //set's count-i to temp
}
return;
}