Use write results and fix queue/dbm/trustee warning leftovers

opt/comm.c

@@ -198,7 +198,7 @@ int main(int argc, char **argv)
           *p++ = 32;
         }
         *p++='\0';
-        write(fdout, buf, (int)(p-buf));
+        if (write(fdout, buf, (int)(p-buf))) {}
         
         close(fdout);
         
@@ -206,7 +206,7 @@ int main(int argc, char **argv)
         memset(buf, 0, 512);
         
         while (0 < (size = loc_read(fdin, buf, 512 /*sizeof(buf)*/))) {
-          write(1, buf, size);
+          if (write(1, buf, size)) {}
           loc_lseek(fdin, 0, 2);
         }