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_lrotl
_lrotr

Usage

   #include <stdlib.h>
   unsigned long _lrotl(unsigned long val, int shift);
   unsigned long _lrotr(unsigned long val, int shift);

Description

   The functions _lrotl and _lrotr carry out a binary rotation of the
   supplied unsigned long, value, by shift bits.

Example 

   #include <stdio.h>
   #include <stdlib.h>

   int main()
   {
       unsigned long value = 0x01234567;

       printf("_lrotl(value,4) = 0x%8.81x\n", _lrotl(value,4));
       printf("_lrotr(value,12) = 0x%8.81x\n", _lrotr(value,12));

       return EXIT_SUCCESS;
   }

Return Value

   Both of these functions return the rotated value as an unsigned long.
   There is no error return.

See Also

   _rotl, _rotr