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al_ustr_prev(3) Library Functions Manual al_ustr_prev(3) NAME al_ustr_prev - Allegro 5 API SYNOPSIS #include <allegro5/allegro.h> bool al_ustr_prev(const ALLEGRO_USTR *us, int *pos) DESCRIPTION Find the byte offset of the previous code point in string, before *pos. *pos does not have to be at the beginning of a code point. Returns true on success, and the value pointed to by pos will be updated to the found off- set. Otherwise returns false if *pos was already at the end of the string, and *pos is unmodified. This function just looks for an appropriate byte; it doesn't check if found offset is the beginning of a valid code point. If you are working with possibly invalid UTF-8 strings then it could skip over some invalid bytes. SEE ALSO al_ustr_next(3) Allegro reference manual al_ustr_prev(3)
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO
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