Suppose we number the bytes in a w-bit word from 0 (least significant) to w/8 −1 (most significant). Write code for the following C function, which will return an unsigned value in which byte i of argument x has been replaced by byte b: unsigned replace byte (unsigned x, int i, unsigned char b); Examples: replace byte(0x12345678, 2, 0xAB) → 0x12AB5678 replace byte(0x12345678, 0, 0xAB) → 0x123456AB
Suppose we number the bytes in a w-bit word from 0 (least significant) to w/8 −1 (most significant). Write code for the following C function, which will return an unsigned value in which byte i of argument x has been replaced by byte b: unsigned replace byte (unsigned x, int i, unsigned char b); Examples: replace byte(0x12345678, 2, 0xAB) → 0x12AB5678 replace byte(0x12345678, 0, 0xAB) → 0x123456AB
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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Suppose we number the bytes in a w-bit word from 0 (least significant)
to w/8 −1 (most significant).
Write code for the following C function, which will return an unsigned
value in which byte i of argument x has been replaced by byte b:
unsigned replace byte (unsigned x, int i, unsigned char b);
Examples:
replace byte(0x12345678, 2, 0xAB) → 0x12AB5678
replace byte(0x12345678, 0, 0xAB) → 0x123456AB
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