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C Programming :: Command Line Arguments

2. If the following program (Helloprog) is run from the command line as HelloProg 1 2 3. what would be the output?

main (int argc, char*argv[])
{
int i;
i = argv[1] + argv [2] + argv [3];
printf("%d", i);
}

Answer: Option B

Explanation :

here argv[1] argv [2] argv [3] are string type. to perform addition  convert it to integer.i=atoi( argv[1]) atoi(argv [2]) atoi( argv [3]).

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