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C Program to show use of command line arguments

#include<stdio.h>  
#include<conio.h>
#include<stdlib.h>
void main(int argc,char *argv[])
{
int sum=0,i;
//if wrong number of command line arguments
if(argc<3)
{
printf("Incorrect number of arguments:\n");
getch();
return 0;
}
//Add all the numbers entered using atoi function
for(i=1;i<argc;i++)
{
sum+=atoi(argv[i]); //string to number
}
//print the sum
printf("Ans=%d",sum);
getch();
}

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