#include <fontconfig.h>
FcChar32 FcCharSetFirstPage(const FcCharSet *a, FcChar32[FC_CHARSET_MAP_SIZE] map, FcChar32 *next);
FcChar32 FcCharSetFirstPage
Builds an array of bits marking the first page of Unicode coverage of a. Returns the base of the array. next contains the next page in the font.
Fontconfig version 2.8.0