optarg 67 usr/bin/head/head.c linecnt = strtol(optarg, &ep, 10); optarg 69 usr/bin/head/head.c err(1, "illegal line count -- %s", optarg); optarg 66 usr/bin/nice/nice.c niceness = atoi (optarg); optarg 97 usr/include/unistd.h extern char *optarg; /* getopt(3) external variables */ optarg 39 usr/lib/libc/stdlib/getopt.c char *optarg; /* argument associated with option */ optarg 88 usr/lib/libc/stdlib/getopt.c optarg = NULL; optarg 94 usr/lib/libc/stdlib/getopt.c optarg = place; optarg 108 usr/lib/libc/stdlib/getopt.c optarg = nargv[optind]; optarg 131 usr/sample/tetris/tetris.c level = atoi(optarg);