Function proj_sys::proj_uom_get_info_from_database

pub unsafe extern "C" fn proj_uom_get_info_from_database(
    ctx: *mut PJ_CONTEXT, 
    auth_name: *const c_char, 
    code: *const c_char, 
    out_name: *mut *const c_char, 
    out_conv_factor: *mut f64, 
    out_category: *mut *const c_char
) -> c_int