_WVAL              68 kern/include/kern/wait.h #define WEXITSTATUS(x) (_WVAL(x))
_WVAL              69 kern/include/kern/wait.h #define WTERMSIG(x)    (_WVAL(x))
_WVAL              70 kern/include/kern/wait.h #define WSTOPSIG(x)    (_WVAL(x))