第1个回答 2015-10-28
unsigned char crol(unsigned char c,unsigned b)
{ //左移
unsigned char left;left=c<<b;
unsigned char right;right=c>>( sizeof (unsigned char )-b) ;
return left|right;
}
unsigned char cror(unsigned char c,unsigned b)
{ //右移
unsigned char right;
right =c>>b;
unsigned char left ;
left=c<<( sizeof (unsigned char )-b) ;
return left|right;
}本回答被提问者和网友采纳