WTRAPPED
WEXITED | WTRAPPED | WSTOPPED | WCONTINUED | WNOWAIT) != 0)
options |= (WNOHANG|WUNTRACED|WEXITED|WSTOPPED|WTRAPPED|WCONTINUED);
~(WEXITED|WTRAPPED|WSTOPPED|WCONTINUED|WNOHANG|WNOWAIT))
if (arg & WTRAPPED)
err = s10_waitid(rval, P_ALL, 0, &info, WEXITED | WTRAPPED);
noptions = options | WEXITED | WTRAPPED;
options |= (WEXITED|WTRAPPED);
#define WOPTMASK (WEXITED|WTRAPPED|WSTOPPED|WCONTINUED|WNOHANG|WNOWAIT)
noptions = options | WEXITED | WTRAPPED;
if (!(options & WTRAPPED))
#define WOPTMASK (WEXITED|WTRAPPED|WSTOPPED|WCONTINUED|WNOHANG|WNOWAIT)