row_for_charpos_p 1117 src/xdisp.c    static bool row_for_charpos_p (struct glyph_row *, ptrdiff_t);
row_for_charpos_p 21548 src/xdisp.c    		 && !row_for_charpos_p (row, charpos)))
row_for_charpos_p 23961 src/xdisp.c      return row_for_charpos_p (row, PT);