Copying a string

#include <stdio.h>

void stringCopy(char str1[], char str2[]);

int main()
{
    char s1[] = "BUET";
    char s2[10];

    stringCopy(s1, s2);

    printf(s2);

    return 0;
}

void stringCopy(char str1[], char str2[])
{
    int i;

    for(i = 0; str1[i] != '\0'; i++)
        str2[i] = str1[i];
    str2[i] = '\0';
}