make our own memcpy function
| 13 | |
| 14 | // make our own memcpy function |
| 15 | void* memcpy(void* dest, const void* src, size_t n) { |
| 16 | char* csrc = (char*)src; |
| 17 | char* cdest = (char*)dest; |
| 18 | for (size_t i = 0; i < n; i++) { |
| 19 | cdest[i] = csrc[i]; |
| 20 | } |
| 21 | return dest; |
| 22 | } |
| 23 | |
| 24 | // make our own realloc function |
| 25 | void* realloc(void* ptr, size_t new_size) { |