.\" Automatically generated by Pandoc 2.2.1 .\" .TH "al_ustr_find_cset" "3alleg5" "" "Allegro reference manual" "" .hy .SH NAME .PP al_ustr_find_cset \- Allegro 5 API .SH SYNOPSIS .IP .nf \f[C] #include\ int\ al_ustr_find_cset(const\ ALLEGRO_USTR\ *us,\ int\ start_pos, \ \ \ const\ ALLEGRO_USTR\ *reject) \f[] .fi .SH DESCRIPTION .PP This function finds the first code point in \f[C]us\f[], beginning from byte offset \f[C]start_pos\f[], that does \f[I]not\f[] match any code point in \f[C]reject\f[]. In other words it finds a code point in the complementary set of \f[C]reject\f[]. Returns the byte position of that code point, if any. Otherwise returns \-1. .SH SEE ALSO .PP al_ustr_find_cset_cstr(3alleg5), al_ustr_find_set(3alleg5)