int   my_strlen(char *str)
{
    int i = 0;

    while (str[i])
        i++;
    return (i);
}
void    my_putstr(char *str)
{
    write(1, str, my_strlen(str));
}

int main(void)
{
    my_putstr("Bonjour le monde\n");
    return (0);
}