FcCacheSubdir − Return the i’th subdirectory.
#include <fontconfig/fontconfig.h>
const FcChar8 * FcCacheSubdir (const FcCache *cache, inti);
The set of subdirectories stored in a cache file are indexed by this function, i should range from 0 to n-1, where n is the return value from FcCacheNumSubdir.
Fontconfig version 2.10.95