pub unsafe fn MsiSourceListEnumSourcesA<P0, P1>( szproductcodeorpatchcode: P0, szusersid: P1, dwcontext: MSIINSTALLCONTEXT, dwoptions: u32, dwindex: u32, szsource: PSTR, pcchsource: Option<*mut u32> ) -> u32where P0: IntoParam<PCSTR>, P1: IntoParam<PCSTR>,