fenv_t, fexcept_t

Standard C library (libc)

#include <fenv.h>

typedef /* ... */ fenv_t;
typedef /* ... */ fexcept_t;

fenv_t represents the entire floating-point environment, including control modes and status flags.

fexcept_t represents the floating-point status flags collectively.

For further details see fenv(3).

C11, POSIX.1-2008.

C99, POSIX.1-2001.

fenv(3)