Use proc directory to create my own pwd command

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I am working on an assignment. I need to implement my own pwd command. I researched and found that I may have to use /proc directory to implement this.I am not allowed to use bash commands or system() function. Please help.

What I have tried:

I have created two files. In the separate file I have implemented the pwd command. In the main file I have used fork and execlp("gcc","gcc","mypwd","-o","pwd") command to compile the separate file.And then in the main file I have executed the mypwd executable. I need help in implementing the mypwd file.

Posted 30-Jul-16 18:06pm

Member 12662094

Updated 30-Jul-16 22:10pm

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Jochen Arndt · Answer 1 · 2016-07-30T22:10:00

Why do you create a program that executes gcc to create another program?
Just create your maypwd program and compile and link it using gcc.

The assignment requires that your program did not use the system() function (system(3) - Linux manual page[^]) to execute a shell built-in command.

So you have to look for C standard library function that returns the name of the current / working directory: getcwd(3) - Linux manual page[^].