al_ustr_find_cset
int al_ustr_find_cset(const ALLEGRO_USTR *us, int start_pos,
const ALLEGRO_USTR *reject)
Introduced in 5.0.0
This function finds the first code point in us
, beginning from byte offset start_pos
, that does not match any code point in reject
. In other words it finds a code point in the complementary set of reject
. Returns the byte position of that code point, if any. Otherwise returns -1.
See also: al_ustr_find_cset_cstr, al_ustr_find_set
Examples: ex_utf8