rem: if (!strcmp(arg, "f"))
add: if (!strcmp(++arg, "f"))
context: main(int argc, char **argv){	const char *programName = argv[0];	struct stat pathStat;	const char *path;	status_t status;	uint32 flags = 0;	/* prettify the program name */	if (strrchr(programName, '/'))		programName = strrchr(programName, '/') + 1;	/* get all options */	while (*++argv) {		char *arg = *argv;		if (*arg != '-')			break;		if (!strcmp(arg, "f"))			flags |= B_FORCE_UNMOUNT;		else			usage(programName);	}	path = argv[0];	/* check the arguments */	if (path == NULL)		usage(programName);	if (stat(path, &pathStat) < 0) {		fprintf(stderr, "%s: The path \"%s\" is not accessible\n", programName, path);		return -1;	}	/* do the work */	status = fs_unmount_volume(path, flags);	if (status != B_OK) {		fprintf(stderr, "%s: unmounting failed: %s\n", programName, strerror(status));		return -1;	}	return 0;}