allocate « string « C Array Q&A

I was expecting a segfault with this code:

char * foo (char my_ascii[10])
{
  strcpy (my_ascii, "0123456789");

  return my_ascii;
}

char bar[2];

printf("%s\n", foo (bar));

Because bar reserves a 2-char array in the stack, and ...

I have a function which takes an array of strings (buffer) and needs to increase its size. So I invoke a realloc

temp = (char**) realloc (buffer, newSize * (sizeof(char*)));
if (temp == NULL)
 ...

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