In c language, implement a program that performs file manipulation and

manages multiple child processes to perform tasks on files in a given directory. The program

will:

$1.$ Accept a directory as a command$-$line argument.

$2.$ For each file in the directory, create a child process that prints the file name, its size,

and the number of words in the file.

$3.$ Ensure the parent process waits for all child processes to complete before exiting.

$4.$ Implement basic error handling: check for invalid directories, failed process creation,

and inaccessible files