FcUtf8Len (3) - Linux Manuals
FcUtf8Len: count UTF-8 encoded chars
NAME
FcUtf8Len - count UTF-8 encoded chars
SYNOPSIS
#include <fontconfig/fontconfig.h>
FcBool FcUtf8Len (FcChar8 *src, int len, int *nchar, int *wchar);
DESCRIPTION
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.