WIFSTOPPED
#define WIFSTOPPED(x) ((x).w_stopval == WSTOPPED)
# undef WIFSTOPPED
# define WIFSTOPPED(st) (((st) & 0100) == 0)
# undef WIFSTOPPED
#define WIFSTOPPED(stat) (WLOBYTE(stat) == WSTOPFLG&&WHIBYTE(stat) != 0)
#define WIFSTOPPED(stat) ((int)((stat)&0xFF) == 0177 && \