GPT_FIND
while ((ch = getopt(argc, argv, GPT_FIND "f:l:")) != -1) {
while ((ch = getopt(argc, argv, GPT_FIND)) != -1)
while ((ch = getopt(argc, argv, GPT_FIND "T:l")) != -1) {
while ((ch = getopt(argc, argv, GPT_FIND "U:")) != -1) {