Function mupdf_sys::pdf_add_vmtx

pub unsafe extern "C" fn pdf_add_vmtx(
    ctx: *mut fz_context, 
    font: *mut pdf_font_desc, 
    lo: c_int, 
    hi: c_int, 
    x: c_int, 
    y: c_int, 
    w: c_int
)