Removing spaces and puctuation from a string

#include <stdio.h>
#include <ctype.h>

int main()
{
   char buffer[80] = "This is a test";
   char *pbuffer1 = buffer;
   char *pbuffer2 = buffer;

   pbuffer1 = buffer;              /* Reset pointer to start           */
   while(*pbuffer1 != '\0')
   {
     if(ispunct(*pbuffer1) || isspace(*pbuffer1))
     {
       ++pbuffer1;
       continue;
     }
     else
       *pbuffer2++ = *pbuffer1++;  /* otherwise, copy the character */
   }
   *pbuffer2 = '\0';               /* Append string terminator      */
   printf("\n%s\n", buffer);
}

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Removing spaces and puctuation from a string : String General « String « C / ANSI-C

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