| Function | Header File | Description |
| __cxchg | builtin.h | Exchanges a character value with a previously stored value. |
| __lxchg | builtin.h | Exchanges a long integer value with a previously stored value. |
| __sxchg | builtin.h | Exchanges a short integer value with a previously stored value. |
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Alphabetical Listing of IBM C and C++
Compilers Functions and Macros