#include<stdio.h> #include<stdlib.h> int main() { /* char a1[5], a2[5]; a1 = a2; */ char *a1, *a2; a1 = (char *) malloc(5 * sizeof(char)); a2 = (char *) malloc(5 * sizeof(char)); a1 = a2; free(a1); free(a2); return 0; }