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파일 다운로드 링크 Hex 형식으로 파일 보기 https://developmentlee.tistory.com/280

퓨쳐텍정보통신 CC(EAL4) 인증 획득 FW+VPN 출처:  https://developmentlee.tistory.com/275  [developmentlee]

FILE *stream; errno_t err;    // Open for read (will fail if file "crt_fopen_s.c" does not exist)    err  = fopen_s( &stream, "crt_fopen_s.c", "r" );    if( err == 0 )    {       printf( "The file 'crt_fopen_s.c' was opened\n" );    }    else    {       printf( "The file 'crt_fopen_s.c' was not opened\n" );    } 출처:  https://developmentlee.tistory.com/273  [developmentlee]

Install a new TAP-driver: > tapinstall.exe install Device node created. Install is complete when drivers are installed... Updating drivers for from C:\Program Files\TAP-Windows\driver\OemVista.inf. Drivers installed successfully.