"C Language" write the following function: implement 0 or 1 operation on a specified bit (for example, 8th bit) of a 8bit data (unsigned char), and keep the other bits unchanged

Source: Internet
Author: User
Tags function prototype
/* Write the following function: Implement the 0 or 1 operation for a specified bit (for example, 8th bit) on a 8bit data (unsigned char), and keep the other bits intact.  function prototype: void Bit_set (unsigned char *p_date,unsigned char position,int flag).  function Parameter Description: P_date is the specified data source, position refers to positioning (1~8), flag is set to 0 or 1. */#include <stdio.h>void bit_set (unsigned char *p_date,unsigned char position,int flag) {unsigned char a=1;a=a< < (position-1); if (flag==1) {*p_date=*p_date|a;     } if (flag==0) {a=~a;*p_date=*p_date&a;}} int main () {char c=10;bit_set (&c,1,1);p rintf ("%d\n", c); return 0;}

"C Language" write the following function: implement 0 or 1 operation on a specified bit (for example, 8th bit) of a 8bit data (unsigned char), and keep the other bits unchanged

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.