/* Return the row/column (zero-based) of the character cell containing
the pixel on FRAME at ROW/COL. */
-#define PIXEL_TO_CHAR_ROW(frame, row) \
+#define PIXEL_TO_CHAR_ROW(f, row) \
(((row) - (f)->display.x->internal_border_width) \
/ FONT_HEIGHT ((f)->display.x->font))
-#define PIXEL_TO_CHAR_COL(frame, col) \
+#define PIXEL_TO_CHAR_COL(f, col) \
(((col) - (f)->display.x->internal_border_width) \
/ FONT_WIDTH ((f)->display.x->font))