Fichier

#include <stdio.h>
#include <windows.h>
#include <tchar.h>

int main(int argc, char* argv[])
{
	HANDLE hFile = CreateFile(_T("monfichier.bin"),GENERIC_WRITE,0,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
	char buffer[] = {1,2,3,4,5,6,7,8,9,10};
	DWORD dwSize = 10, dwBW = 0, err = 0;
	if (hFile == INVALID_HANDLE_VALUE)
	{
		_tprintf(_T("Can't open the file for writing.\n"));
		return 1;
	}
	WriteFile(hFile,(LPVOID)buffer,dwSize,&dwBW,NULL);
	if (dwBW != dwSize)
	{
		_tprintf(_T("Can't write to the file.\n"));
		err=2; goto end;
	}
	if (SetEndOfFile(hFile) == 0)
	{
		_tprintf(_T("Can't set the file's end pointer.\n"));
		err=3; goto end;
	}
end:
	CloseHandle(hFile);
	return err;
}