nextopt
nextopt("");
while ((i = nextopt("a")) != '\0') {
while ((ch = nextopt("LP")) != '\0') {
while ((ch = nextopt("eLP")) != '\0') {
while ((ch = nextopt("pvV")) != '\0') {
while ((c = nextopt("rv")) != '\0') {
while ((ch = nextopt("f:p")) != '\0') {
switch (nextopt("e:lnrs")) {
nextopt("");
nextopt("");
while ((ch = nextopt("lps")) != '\0') {
nextopt("");
nextopt("");
while ((i = nextopt("erp:t:")) != '\0') {
while ((i = nextopt("S")) != '\0') {
while ((optc = nextopt("HSatfdsmcnuvlbpwkoy")) != '\0')
int nextopt(const char *);
while ((i = nextopt("l")) != '\0') {
while ((ch = nextopt("p")) != '\0') {
nextopt("");
while ((i = nextopt("vf")) != '\0') {
nextopt("");