Function nk_utf_len

extern/glfw/deps/nuklear.h:7850–7872

    return len;
}
NK_API int
nk_utf_len(const char *str, int len)
{
    const char *text;
    int glyphs = 0;
    int text_len;
    int glyph_len;
    int src_len = 0;
    nk_rune unicode;

    NK_ASSERT(str);
    if (!str || !len) return 0;

    text = str;
    text_len = len;
    glyph_len = nk_utf_decode(text, &unicode, text_len);
    while (glyph_len && src_len < len) {
        glyphs++;
        src_len = src_len + glyph_len;
        glyph_len = nk_utf_decode(text + src_len, &unicode, text_len - src_len);
    }
    return glyphs;
}
NK_API const char*
nk_utf_at(const char *buffer, int length, int index,
    nk_rune *unicode, int *len)