### C Library Functions: Floating-Point Unit Control

Function | Header File | Description
_clear87 | float.h builtin.h | Gets the floating-point status word and clears it.
_control87 | float.h builtin.h | Gets the current floating-point control word and sets it.
_fpreset | float.h | Resets the floating-point unit to the default state.
_status87 | float.h builtin.h | Gets the current floating-point status word.

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