#include #include #include Result luna_main(int argc, char** argv) { StringView target; os::ArgumentParser parser; parser.add_description("Unmount a file system."); parser.add_system_program_info("umount"_sv); parser.add_positional_argument(target, "mountpoint"_sv, true); parser.parse(argc, argv); if (umount(target.chars()) < 0) { perror("umount"); return 1; } return 0; }