Function transmission_sys::tr_variantFromBuf

pub unsafe extern "C" fn tr_variantFromBuf(
    setme: *mut tr_variant, 
    fmt: tr_variant_fmt, 
    buf: *const c_void, 
    buflen: usize, 
    optional_source: *const c_char, 
    setme_end: *mut *const c_char
) -> c_int