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FcUtf8Len - count UTF-8 encoded chars #include <fontconfig.h> FcBool FcUtf8Len (FcChar8 *src, int len, int *nchar, int *wchar);

Counts the number of Unicode chars in len bytes of src. Places that count in nchar. wchar contains 1, 2 or 4 depending on the number of bytes needed to hold the largest unicode char counted. The return value indicates whether src is a well-formed UTF8 string.

Fontconfig version 2.6.0