main ()
{
while ( scanf ( "%d" , &n ) , n >= 0 ) {
for ( i = 0; i < n; i ++ ) scanf ( "%d" , &data [i] );
first_opt ();
}
}
const char *first_sopt(unsigned *i)
{
const char *p;
unsigned int len = 0 /* GCC bogus warning */;
for (p = first_opt(i, &len); p; p = next_opt(p, i, &len)) {
if (p[0] != '-')
break;
}
return p;
}
const char *first_lopt(unsigned *i, unsigned *len)
{
const char *p;
for (p = first_opt(i, len); p; p = next_opt(p, i, len)) {
if (p[0] == '-') {
/* Skip leading "-" */
(*len)--;
p++;
break;
}
}
return p;
}