test1821

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#include <stdio.h>

/*char *ft_strncpy(char *dest, char *src, unsigned int n)
{
    char *ptr;
    unsigned int i;
    char tmp;

    i = 0;
    if (dest == NULL)
    {
        return (NULL);
    }
    ptr = dest;
    while (*src != '\0' && i < n)
    {
        tmp = *(src + 1);
        *dest = *src;
        dest++;
        src++;
        i++;
    }
    if (*src == '\0')
    {
        *dest = '\0';
    }
    return (ptr);
}*/

char *ft_strncpy(char *dest, const char *src, size_t n)
{
    char *ret = dest;
    do {
        if (!n--)
            return ret;
    } while (*dest++ = *src++);
    while (n--)
        *dest++ = 0;
    return ret;
}

int main()
{
    char src[] = "123456789";
    char dest[] = "abcdefgheh";

    for (int i = 0; i <= 9; i++)
    {
        printf("%c(%d) ", src[i], src[i]);
    }
    printf("\n");
    for (int i = 0; i <= 10; i++)
    {
        printf("%c(%d) ", dest[i], dest[i]);
    }
    printf("\n\n");
    ft_strncpy(src + 3, src, 5u);
    for (int i = 0; i <= 9; i++)
    {
        printf("%c(%d) ", src[i], src[i]);
    }
    printf("\n");
    for (int i = 0; i <= 10; i++)
    {
        printf("%c(%d) ", dest[i], dest[i]);
    }
    printf("\n\nDone!");

    return 0;
}