WSIGMASK
exename, (WSIGMASK & status),
orgapp, (WSIGMASK & status),
if (WIFSIGNALED(status) && ((WSIGMASK & status) != SIGPIPE)) {
(WSIGMASK & status), ((status & WCOREFLG) ?
#define WTERMSIG(stat) (WLOBYTE(stat)&WSIGMASK)