C Tutorial/Operator/Shift operator

Using the bitwise shift operators

<source lang="cpp">#include <stdio.h> void displayBits( unsigned value ); int main() {

  unsigned number1 = 960;
  printf( "\nThe result of left shifting\n" );
  displayBits( number1 );
  printf( "8 bit positions using the " );
  printf( "left shift operator << is\n" );
  displayBits( number1 << 8 );
  printf( "\nThe result of right shifting\n" );
  displayBits( number1 );
  printf( "8 bit positions using the " );
  printf( "right shift operator >> is\n" );
  displayBits( number1 >> 8 );
  return 0;

} void displayBits( unsigned value ) {

  unsigned c;
  
  unsigned displayMask = 1 << 31;
  printf( "%7u = ", value );
  for ( c = 1; c <= 32; c++ ) { 
     putchar( value & displayMask ? "1" : "0" );
     value <<= 1;
     if ( c % 8 == 0 ) {
        putchar( " " );
     }
  }
  putchar( "\n" );

}</source>

The result of left shifting
    960 = 00000000 00000000 00000011 11000000
8 bit positions using the left shift operator << is
 245760 = 00000000 00000011 11000000 00000000
The result of right shifting
    960 = 00000000 00000000 00000011 11000000
8 bit positions using the right shift operator >> is
      3 = 00000000 00000000 00000000 00000011