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#include <stdio.h> // printf
#include <stdlib.h> // malloc, realloc, free
#include <string.h> // strcpy, strdup
int main()
{
// make an array of 8 string pointers
int original_size = 8;
char **array = malloc(original_size * sizeof(char *));
// point each pointer to a string - you don't have to do this all at once
for (int i=0; i<original_size; i++)
array[i] = malloc(40 * sizeof(char)); // max of 39 characters plus the string terminator
// array[7] is already allocated so we can just use it like a string
strcpy(array[7],"asd"); // the last string
// reallocate the array to be bigger
int new_size = 15;
array = realloc(array, new_size * sizeof(char *));
// array[14] is a pointer that doesn't point anywhere
// so we need to allocate space before filling it in
array[14] = strdup("qwe"); // now points to an array of 3 characters plus the string terminator
printf("%s\n",array[7]);
printf("%s\n",array[14]);
// free the one we made with strdup
free(array[14]);
// free the 8 we malloced
for (int i=0; i<original_size; i++)
free(array[i]);
// now free the array we malloced and then realloced
free(array);
return 0;
}
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