void usage(FILE *out) {
fprintf(out, "Usage: dus [OPTION]... [FILE]...\n");
fprintf(out, "Version %s (%s)\n", VERSION_NUMBER, UNAME);
void usage(FILE *out) {
fprintf(out, "Usage: dus [OPTION]... [FILE]...\n");
fprintf(out, "Version %s (%s)\n", VERSION_NUMBER, UNAME);