main.cpp(40) : warning C4996: 'fopen': This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details. 1>c:\program files\microsoft visual studio 9.0\vc\include\stdio.h(237) : 'fopen' の宣言を確認してください。