Command Line Arguments

#include <stdio.h>

int main(int argc, char const *argv[])
{
    if(argc == 1){
        printf("Error : no command line arguments!\n");
        return 1;
    }

    printf("Hello, %s\n", argv[0]);
    printf("Hello, %s\n", argv[1]);

    return 0;
}

 

argc : argument count

argv : argument vector

 

argv[0] : program name

argv[1] ~ : arguments passed to the program