string-ptr.c - Et program der ved brug af pointere kopierer strengen "Aalborg" ind midt i en anden streng.

Lektion 7 - slide 6 : 26 Program 1

#include <stdio.h>

int main(void) {
  char str_aal[] = "Aalborg";
  char str[14];

  char *str_1, *str_2;
  int i;

  /* fill str with '-' */
  for(i = 0; i < 14; i++)
    str[i] = '-';

  /* let str_1 and str_2 be running pointers */
  str_1 = str;  str_2 = str_aal;

  /* copy str_all into the middle of str */
  str_1 += 2;
  for( ; *str_2 != '\0'; str_1++, str_2++)
    *str_1 = *str_2;

  /* terminate str */
  *str_1 = '\0';

  printf("%s\n", str);  
  
  return 0;
}