xstatus           372 user/usertests.c   int pid, xstatus;
xstatus           417 user/usertests.c   wait(&xstatus);
xstatus           419 user/usertests.c   exit(xstatus);
xstatus           449 user/usertests.c   int pid, xstatus;
xstatus           471 user/usertests.c   wait(&xstatus);
xstatus           472 user/usertests.c   exit(xstatus);
xstatus           489 user/usertests.c   int pid, xstatus;
xstatus           513 user/usertests.c   wait(&xstatus);
xstatus           514 user/usertests.c   exit(xstatus);
xstatus           681 user/usertests.c   int fd, xstatus, pid;
xstatus           708 user/usertests.c   if (wait(&xstatus) != pid) {
xstatus           711 user/usertests.c   if(xstatus != 0)
xstatus           712 user/usertests.c     exit(xstatus);
xstatus           738 user/usertests.c   int fds[2], pid, xstatus;
xstatus           780 user/usertests.c     wait(&xstatus);
xstatus           781 user/usertests.c     exit(xstatus);
xstatus           987 user/usertests.c   int xstatus;
xstatus           989 user/usertests.c     wait(&xstatus);
xstatus           990 user/usertests.c     if(xstatus != 0) {
xstatus          1078 user/usertests.c     int xstatus;
xstatus          1079 user/usertests.c     wait(&xstatus);
xstatus          1080 user/usertests.c     if(xstatus == -1){
xstatus          1085 user/usertests.c     exit(xstatus);
xstatus          1117 user/usertests.c     int xstatus;
xstatus          1118 user/usertests.c     wait(&xstatus);
xstatus          1119 user/usertests.c     if(xstatus != 0)
xstatus          1120 user/usertests.c       exit(xstatus);
xstatus          1186 user/usertests.c   int xstatus;
xstatus          1188 user/usertests.c     wait(&xstatus);
xstatus          1189 user/usertests.c     if(xstatus != 0)
xstatus          1190 user/usertests.c       exit(xstatus);
xstatus          1253 user/usertests.c   int xstatus;
xstatus          1255 user/usertests.c     wait(&xstatus);
xstatus          1256 user/usertests.c     if(xstatus != 0)
xstatus          1425 user/usertests.c       int xstatus;
xstatus          1426 user/usertests.c       wait(&xstatus);
xstatus          1427 user/usertests.c       if(xstatus != 0)
xstatus          2000 user/usertests.c   int i, pid, xstatus;
xstatus          2026 user/usertests.c   wait(&xstatus);
xstatus          2027 user/usertests.c   if(xstatus == 1){
xstatus          2056 user/usertests.c   wait(&xstatus);
xstatus          2057 user/usertests.c   exit(xstatus);
xstatus          2137 user/usertests.c     int xstatus;
xstatus          2138 user/usertests.c     wait(&xstatus);
xstatus          2139 user/usertests.c     if(xstatus != -1)  // did kernel kill child?
xstatus          2161 user/usertests.c     int xstatus;
xstatus          2162 user/usertests.c     wait(&xstatus);
xstatus          2163 user/usertests.c     if(xstatus != -1)  // did kernel kill child?
xstatus          2174 user/usertests.c   int i, xstatus;
xstatus          2232 user/usertests.c   wait(&xstatus);
xstatus          2233 user/usertests.c   if(xstatus != -1 && xstatus != 2)
xstatus          2303 user/usertests.c   int pid, fd, xstatus;
xstatus          2322 user/usertests.c   wait(&xstatus);
xstatus          2323 user/usertests.c   if(xstatus != 0)
xstatus          2324 user/usertests.c     exit(xstatus);
xstatus          2404 user/usertests.c   int xstatus;
xstatus          2417 user/usertests.c   wait(&xstatus);
xstatus          2418 user/usertests.c   if(xstatus == -1)  // kernel killed child?
xstatus          2421 user/usertests.c     exit(xstatus);
xstatus          2429 user/usertests.c   int xstatus;
xstatus          2440 user/usertests.c   wait(&xstatus);
xstatus          2441 user/usertests.c   if(xstatus == -1)  // kernel killed child?
xstatus          2444 user/usertests.c     exit(xstatus);
xstatus          2947 user/usertests.c   int xstatus;
xstatus          2958 user/usertests.c     wait(&xstatus);
xstatus          2959 user/usertests.c     if(xstatus != 0) 
xstatus          2963 user/usertests.c     return xstatus == 0;