#include <stdio.h>

int main(int argc, char *argv[])
{
    int i = 0;
    char *states[] = {
        "California", "Oregon",
        "Washington", "Texas"
    };
    int num_states = 4;

    char *tmp = states[0];
    states[0] = argv[0];
    argv[0] = tmp;

    for(i = 0; i < argc; i++) {
        printf("arg %d: %s\n", i, argv[i]);
    }

    for(i = 0; i < num_states; i++) {
        printf("state %d: %s\n", i, states[i]);
    }

    argv[0] = states[0];
    states[0] = tmp;

    for(i = 0; i < argc; i++) {
        printf("arg %d: %s\n", i, argv[i]);
    }

    for(i = 0; i < num_states; i++) {
        printf("state %d: %s\n", i, states[i]);
    }

    return 0;
}