C Tutorial/Data Type/Bit Shift

Bits right and left shift

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

 unsigned int original = 0xABC;
 unsigned int result = 0;
 unsigned int mask = 0xF;    
 printf("\n original = %X", original);
 /* Insert first digit in result */
 result |= original&mask;    
 /* Get second digit */
 original >>= 4;             
 result <<= 4;               
 result |= original&mask;    
 /* Get third digit */
 original >>= 4;             
 result <<= 4;               
 result |= original&mask;    
 printf("\t result = %X\n", result);
 return 0;

}</source>

original = ABC  result = CBA