You are given a file “input.txt” contains the text. Write a c++ program that reads the file and convert upper case letters into lowercase and lowercase into uppercase in the file. Use mmap() and munmap. Do not use ofstream / ifstream

You are given a file “input.txt” contains the text. Write a c++ program that reads the file and convert upper case letters into lowercase and lowercase into uppercase in the file. Use mmap() and munmap. Do not use ofstream / ifstream

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter8: I/o Streams And Data Files

Section8.4: File Streams As Function Arguments

Problem 3E

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You are given a file “input.txt” contains the text. Write a c++ program that reads the file and convert
upper case letters into lowercase and lowercase into uppercase in the file. Use mmap() and munmap.
Do not use ofstream / ifstream

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