C# PInvoke flushall not giving any output, return value is 2 -


i trying follow simple tutorial on c# pinvoke, , created following program should output test string.

[dllimport("msvcrt.dll", callingconvention = callingconvention.cdecl)] public static extern int puts(string c);  [dllimport("msvcrt.dll", callingconvention = callingconvention.cdecl)] internal static extern int _flushall();  public static void main() {     puts("test");     int x = _flushall();      console.readkey(); }

when run program, don't see output in console window, or output window in visual studio.

the return value _flushall call 2. have not yet been able find reference on msvcrt.dll see functions/entry points available, , return values mean.


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