C Library Functions: Fast RAM Semaphores

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.


Alphabetical Listing of IBM C and C++ Compilers Functions and Macros