Function mupdf_sys::fz_lookup_cjk_font_by_language

pub unsafe extern "C" fn fz_lookup_cjk_font_by_language(
    ctx: *mut fz_context,
    lang: *const c_char,
    len: *mut c_int,
    subfont: *mut c_int
) -> *const c_uchar

Search the builtin cjk fonts for a match for a given language. Whether a font is present or not will depend on the configuration in which MuPDF is built.

lang: Pointer to a (case sensitive) language string (e.g. “ja”, “ko”, “zh-Hant” etc).

len: Pointer to a place to receive the length of the discovered font buffer.

subfont: Pointer to a place to store the subfont index of the discovered font.

Returns a pointer to the font file data, or NULL if not present.