/**
* g_realloc:
- * @mem: the memory to reallocate
+ * @mem: (allow-none): the memory to reallocate
* @n_bytes: new size of the memory in bytes
*
* Reallocates the memory pointed to by @mem, so that it now has space for
/**
* g_free:
- * @mem: the memory to free
+ * @mem: (allow-none): the memory to free
*
* Frees the memory pointed to by @mem.
* If @mem is %NULL it simply returns.
/**
* g_realloc_n:
- * @mem: the memory to reallocate
+ * @mem: (allow-none): the memory to reallocate
* @n_blocks: the number of blocks to allocate
* @n_block_bytes: the size of each block in bytes
*