1 #define FE_ALL_EXCEPT 0
2 #define FE_TONEAREST  0
3 
4 typedef unsigned long fexcept_t;
5 
6 typedef struct {
7 	unsigned long __cw;
8 } fenv_t;
9 
10 #define FE_DFL_ENV      ((const fenv_t *) -1)
11