#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
int num;
if(argc != 2)
{
printf("You enter the error\n");
exit(-1);
}
num = atoi(argv[1]);
printf("Answer : %d\n", num *2);
return 0;
}
#include <stdio.h>
int main(int argc, char *argv[])
{
int i;
printf("argc : %d\n", argc);
for(i= 0; i<argc; i= i+1)
{
printf("argv[%d] = %s\n", i, argv[i]);
}
return 0;
}
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