From: louie AT cdc-online DOT com Message-ID: <34DF5C35.6BE9@cdc-online.com> Date: Mon, 09 Feb 1998 11:42:45 -0800 MIME-Version: 1.0 To: rwh AT worldonline DOT nl CC: djgpp AT delorie DOT com Subject: RE:8-byte int Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Precedence: bulk from: eLpEE It's simple to use 8 byte integers. try this #include #define 64bitint long long int int main(void) { a = 0xFF00FF00FF00FF00LL /* the LL at the end is required to change values of 8 byte ints */ printf("the val of a is %LL",a); return 0; }