Delete space or special character in the string

/*******************************************
   FunctionName: delspace.c
   Function: delete the space in the string
   Author: jychen
   CreateDate: 2008/10/23
   Input: A string is contained space
   Output: A string is not contained space

   System: Windows
********************************************/
#include "stdio.h"
#include "string.h"
void main()
{
    char *JoinStr(char *pstr1);
    char *pStr1 = "h e l l o   w o          r l           d ! ";
    clrscr(); /* clear the screen of the previous print */
    puts(JoinStr(pStr1));
}
char *JoinStr(char *pstr1)
{
    int i, count = 0;
    for (i = 0; i < strlen(pstr1); i++)
    {
       count = i;
       if(pstr1[count] == ' ')
       {
          /* delete the serial space in the string */
          while (pstr1[count] == ' ')
          {
             count++;
          }

          /* if  this char is not space  then remove to the i positon */
          pstr1[i] = pstr1[count];

          /* Set the space to this position because it removeforward */
          pstr1[count] = ' ';
        }
     }
    return pstr1;
}