if (j >= MAXFD) { fprintf(stderr, "too many\n"); exit(1); }
if (sscanf(argv[i], "%d:%d", &fds[j].cur, &fds[j].want) < 2 ||
fds[j].cur >= MAXFD)
if (j >= MAXFD) { fprintf(stderr, "too many\n"); exit(1); }
if (sscanf(argv[i], "%d:%d", &fds[j].cur, &fds[j].want) < 2 ||
fds[j].cur >= MAXFD)