Language C:
Implement the following given the base main function we have,see descriptons below:
The main function is incomplete and handles the case where noargument is passed in, but must use these base functions, pleasedescriptively comment your solution–for the sake of my ownunderstanding.
The which command searches for a command by name and reportswhere its matching executable file was found. Read its man page(man which) and try it out, e.g. which ls or which make or whichvim. The response from which is the full path to the matchingexecutable file or no output if not found.
The default search path includes
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