Include <stdlib.h> and "ccl.h".
(struct xfont_info): New structure. (xfont_query_font): Deleted. (xfont_find_ccl_program): Renamed from x_find_ccl_program and moved from xterm.c. (xfont_driver): Adjusted for the change of struct font_driver. (compare_font_names): New function. (xfont_list_pattern): Sort font names case insensitively. Make font_entity by calling font_make_entity. Avoid auto-scaled fonts. (xfont_list): Return a list, not vector. (xfont_match): If the font doesn't have QCname property, generate a name from the other font properties. (xfont_open): Return a font-ojbect. Adjusted for the change of struct font. Get underline_thickness and underline_position from font property. Don't update dpyinfo->smallest_font_height and dpyinfo->smallest_char_width. (xfont_close): Don't free struct font. (xfont_prepare_face): Adjusted for the change of struct font. (xfont_done_face): Deleted. (xfont_has_char): Adjusted for the change of struct font. (xfont_encode_char, xfont_draw): Likewise. (xfont_check): New function.
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