On Tuesday 29 September 2009 01:24:56 Steve Adams wrote: > I've sent someone C source code for a simple routine that > compiles fine with Microsoft's Visual C++, but when they > try to compile it with gcc they get the errors: > > -bash-3.2$ g++ nkg.cpp > nkg.cpp: In function âint main(int, char**)â: > nkg.cpp:83: error: â__int64â does not name a type > nkg.cpp:84: error: â__int64â does not name a type > nkg.cpp:89: error: âserNumâ was not declared in this scope > nkg.cpp:96: error: âserNumâ was not declared in this scope > nkg.cpp:141: error: âlicenseâ was not declared in this scope > nkg.cpp:145: error: âlicenseâ was not declared in this scope > > > These appear to be related to two 64-bit I've declared: > > unsigned __int64 serNum=0; > unsigned __int64 license=0; > > Apparently gcc doesn't recognize this format for a 64-bit > integer. Could someone point out what I need to put here > to declare the 64-bit integer so gcc will accept it? You could include the C99 'stdint.h' and use 'uint64_t' instead of 'unsigned __int64', but I don't know how well that goes with C++. I think nowadays (on x86 at least) you can achieve the same result with 'long long' on both Visual Studio and gcc. -- Mihai Donțu
