Strings demo

#include <stdio.h>


void fun1()
{
    char one[10] = "whoareyou";
    printf("%s \n", one);
    one[4] = '\0';
    printf("%s \n", one);
}

void fun2()
{
    char two[7] = "mustang";
    char three[4] = "dog";
    char four[4] = "cat";
    printf("%s\n", two);
}

void fun3()
{
    char one[2];
    char two[8] = "mustang";
    char three[4] = "dog";
    one[0] = 'a';
    one[1] = 'b';
    printf("%s\n", one);
}

void fun4()
{
    char two[12] = "mustangherd";
    two[7] = '\0';
    two[5] = two[9];
    two[6] = two[10];
    printf("%s\n", two);
}

void fun5()
{
    char howdy[] = "hello";
    char snoopy[6];
    char linus[5] = "linus";
    char lucy[7] = "lucy";
    int i;

    printf("%s\n", howdy);
    printf("%s\n", lucy);

    printf("Enter a string: ");
    scanf("%s", snoopy);

    printf("%s\n", snoopy);

    printf("-------");
    for (i=0; i<3; i++)
    {
       printf("%c", snoopy[i]);
    }
    printf("\n");

    /*  lucy = "person";   wont' compile */
    printf("%s\n", linus);
}

void fun9()
{
    /* Surprisingly, the Hanly textbook doesn't explain that the
     * compiler is smart enough to figure out how big of an array
     * to allocate for a string */
    char pres[] = "Barack Obama";
    char greet[4] = "hi!";
    printf("The president is: ");
    printf("%s %s\n", pres,greet);
}

int main(void)
{

    fun1();
    fun2();
    fun3();
    fun4();
    fun5();
    fun9();
    return 0;

}