Extract string from main () arguments

Question

I am trying to create a pointer to one of the main () arguments in my program. I set the start pointer, then I set it to the 2nd element of the array, but I get an error when trying to compile, segmentation error. Is this because the pointer points to a bad address?

Here is the code:

char *filename;
*filename = argv[1];
printf("The filename is: %s", *filename);

I get errors regarding a pointer trying to pass an argument as an int. Is it because the pointer is actually an integer value of the address, and I'm trying to set it equal to a string?

Edit: When I go to "filename = argv [1]", I get the following error from my compiler: assignment discards qualifiers from the target pointer type.

Answer 1

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*filename = argv[1];

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filename = argv[1];

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Answer 2

filename , argv[1].

filename = argv[1];

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Answer 3

*filename = argv[1]; *filename ( ) filename, .

filename = argv[1].

Answer 4

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:

char *filename ;
filename = argv[1] ;
printf( "The filename is: %s" , filename ) ;