Language Ccpp Cref Problems Binary_op.c

/ ************************************************************************
 *
 * Purpose: Display a byte in binary format.
 * 
 * Author: M.J. Leslie.
 *
 * Date: 19-Mar-95
 *
 * Improvements: 
 *	1) Return the result to the calling function.
 *	2) Make it work on integers (4 bytes long).
 *
 ************************************************************************/
void binary_op(char byte);		/* Print a byte in binary.	*/
/************************************************************************/
main()
 {
 char byte=55;	
 binary_op(byte);			/* Print a byte in binary.	*/
 }
/************************************************************************/
void binary_op(char byte)
 {
 int count=8;				/* Number of bits in a byte.	*/
 while(count--)
 {
					/* AND the high order bit (the
					 * left one) If the bit is set,
					 * print a ONE.			*/
 printf("%d", ( byte & 128 ) ? 1 : 0 );
					/* Move all the bits LEFT.	*/
 byte <<= 1;
 } 
 printf("\n");
 }
/************************************************************************
 *
 *	Program results.
 *	----------------
 *
 *	00110111
 *
 ************************************************************************/

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