c++ argv

// command line arguments in c++ are stored in an array of c-strings
// # of arguments: argc
// actual arguments: argv

#include <iostream>
using namespace std;

int main(int argc, char** argv){
  for(int i = 0; i < argc; i++){
    cout << "argv" << i << ": " << argv[i] << endl;
  }
  return 0;
}

/*

./main.exe hello world

argv0: main.exe
argv1: hello
argv2: world

*/

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Chessmobi.com 105 points

                                    // Use command lines

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

	for(int i = 1; i &lt; argc; i++){
		if(!strcmp(argv[i], &quot;-h&quot;) || !strcmp(argv[i], &quot;--help&quot;) ){
			printf(&quot;Usage: App &lt;options&gt;\nOptions are:\n&quot;);
			printf(&quot;Option list goes here&quot;);
			exit(0);
		}else if(!strcmp(argv[i], &quot;-c&quot;) || !strcmp(argv[i], &quot;--custom&quot;)){
			printf(&quot;argument accepted&quot;);
		}else{
			if(i == argc-1){
				break;
			}
			MessageBox(NULL, TEXT(&quot;ERROR: Invalid Command Line Option Found: \&quot;%s\&quot;.\n&quot;, argv[i]), TEXT(&quot;Error&quot;), MB_ICONERROR | MB_OK);
		}
	}

	MessageBox(NULL, TEXT(&quot;ERROR: No Command Line Option Found. Type in --hep or -h&quot;), TEXT(&quot;Error&quot;), MB_ICONERROR | MB_OK);
}

Thank you! 2

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