skipn_spaces
const char *skipn_spaces(const char *str, size_t n);
const char *first = skipn_spaces(str, n);
str = skipn_spaces(str, n);
const char *name = skipn_spaces(fqname, n);
*ns_name = skipn_spaces(&name[1], end - &name[1]);
name = skipn_spaces(split, end - split);