al_ustr_get
int32_t al_ustr_get(const ALLEGRO_USTR *ub, int pos)
Return the code point in us beginning at pos.
On success returns the code point value. If pos was out of bounds (e.g. past the end of the string), return -1. On an error, such as an invalid byte sequence, return -2.
See also: al_ustr_get_next, al_ustr_prev_get
Examples: ex_utf8
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