| 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 |
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IBM C and C++ Compilers Functions and Macros