int argc, const char * argv[] , why we give these input to main

Question

Why we give these arguments to main ,searched a lot but couldn't find an answer to clear this doubt.

int main(int argc, const char * argv[])

Answer 1

argc represents the number of arguments passed to the main function.

argv[] represents the arguments passed which are separated by space.

Eg:-

$ ./a.out First Second Third

Program Name Is: ./a.out [argv[0]]

Number Of Arguments Passed: 4 [argc value]

----Following Are The Command Line Arguments Passed----

argv[0]: ./a.out

argv[1]: First

argv[2]: Second

argv[3]: Third

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