Pointer & Strings

pointers_and_strings.c

int main()
{
    char string1[] = "A string to be copied.";
    char string2[50];
    
    copyStrong1(string2, string1); 
    return 0;
}


void copyStrong1(char to[], char from[])
{
    int i;
    for (i = 0; from[i] != '\0'; ++i)
        to[i] = from[i];

    to[i] = '\0';
}

void copyString2(char *to, char *from)
{
    for(; *from != '\0'; ++from, ++to)
        *to = *from;
    *to = '\0';
}

void copyString3(char *to, char *from)
{
    while (*from) // the NULL character ('\0') is equal to 0, so jump out then.
        *to++ = *from++;
    *to = '\0';
}