Note
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Use these routines to allocate, free, and reallocate memory.
Memory-Allocation Routines
| Routine | Use |
| _alloca | Allocate memory from stack |
| calloc | Allocate storage for array, initializing every byte in allocated block to 0 |
| _calloc_dbg | Debug version of calloc; only available in the debug versions of the run-time libraries |
| _expand | Expand or shrink block of memory without moving it |
| _expand_dbg | Debug version of _expand; only available in the debug versions of the run-time libraries |
| free | Free allocated block |
| _free_dbg | Debug version of free; only available in the debug versions of the run-time libraries |
| _get_sbh_threshold | Return the upper limit for the size of a memory allocation that will be supported by the small-block heap |
| _heapadd | Add memory to heap |
| _heapchk | Check heap for consistency |
| _heapmin | Release unused memory in heap |
| _heapset | Fill free heap entries with specified value |
| _heapwalk | Return information about each entry in heap |
| malloc | Allocate block of memory from heap |
| _malloc_dbg | Debug version of malloc; only available in the debug versions of the run-time libraries |
| _msize | Return size of allocated block |
| _msize_dbg | Debug version of _msize; only available in the debug versions of the run-time libraries |
| _query_new_handler | Return address of current new handler routine as set by _set_new_handler |
| _query_new_mode | Return integer indicating new handler mode set by _set_new_mode for malloc |
| realloc | Reallocate block to new size |
| _realloc_dbg | Debug version of realloc; only available in the debug versions of the run-time libraries |
| _set_new_handler | Enable error-handling mechanism when new operator fails (to allocate memory) and enable compilation of Standard Template Libraries (STL) |
| _set_new_mode | Set new handler mode for malloc |
| _set_sbh_threshold | Set the upper limit for the size of a memory allocation that will be supported by the small-block heap |