fprintf(stderr, "\nunits [-f unitsfile] [-q] [-v] [from-unit to-unit]\n"); fprintf(stderr, "\n    -f specify units file\n");
fprintf(stderr, "units [-f unitsfile] [-q] [-v] [from-unit to-unit]\n"); fprintf(stderr, "    -f specify units file\n");
usage(){	fprintf(stderr, "\nunits [-f unitsfile] [-q] [-v] [from-unit to-unit]\n");	fprintf(stderr, "\n    -f specify units file\n");	fprintf(stderr, "    -q supress prompting (quiet)\n");	fprintf(stderr, "    -v print version number\n");	exit(3);}