#include <stdio.h>

char strA[80] = "A string to be used for demonstration purposes";
char strB[80];

int main(void)
{
   char *pA;     /* a pointer to type character */
   char *pB;     /* another pointer to type character */
   puts(strA);   /* show string A */
   pA = strA;    /* point pA at string A */
   puts(pA);     /* show what pA is pointing to */
   pB = strB;    /* point pB at string B */
   putchar('\n');       /* move down one line on the screen */
   while(*pA != '\0')   /* line A (see text) */
   {
     *pB++ = *pA++;     /* line B (see text) */
   }
   *pB = '\0';          /* line C (see text) */
   puts(strB);          /* show strB on screen */
   return 0;
}
.