### Functions and Macros: "H"

Function/Macro | #include file | ANSI/ISO | ANSI/ISO 93 | POSIX | XPG4 | Extension | Subsystem
_heap_check | <stdlib.h> <malloc.h> |  |  |  |  | X X | X
_heapchk | <malloc.h> |  |  |  |  | X | X
_heapmin | <stdlib.h> |  |  |  |  | X X | X
_heapset | <malloc.h> |  |  |  |  | X | X
_heap_walk | <malloc.h> |  |  |  |  | X | X
hypot | <math.h> |  |  |  | X |  |

IBM C and C++ Compilers Functions and Macros