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Write a function setbits(x,p,n,y) that returns x with the n bits that begin at position p set to the rightmost n bits of y, leaving the other bits unchanged.

Write a function setbits(x,p,n,y) that returns x with the n bits that begin at position p set to the rightmost n bits of y, leaving the other bits unchanged.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Write a function setbits(x,p,n,y) that returns x with the n bits that begin at position

p set to the rightmost n bits of y, leaving the other bits unchanged.

 

1 #include <stdio.h> 2 int main(void) 4 unsigned x = unsigned y 5 OXF8FF; OXFOA2; 7 int p = 7; //starting position of bits 8 int n 4; //number of bits to set printf("%x\n", setbits(x, p, n, y)); //a2ff p= 8 n= 8 10 11 12 //fa2f p= 4 n= 8 13 //f2ff p= 8 n= 4 14 //F979F p= 7, n= 4 15 return 0; 16
Transcribed Image Text:1 #include <stdio.h> 2 int main(void) 4 unsigned x = unsigned y 5 OXF8FF; OXFOA2; 7 int p = 7; //starting position of bits 8 int n 4; //number of bits to set printf("%x\n", setbits(x, p, n, y)); //a2ff p= 8 n= 8 10 11 12 //fa2f p= 4 n= 8 13 //f2ff p= 8 n= 4 14 //F979F p= 7, n= 4 15 return 0; 16
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