char    *join(char *s, char c)
{
    int i;
    char *dest;

    i = 0;
    if (!(dest = (char*)malloc(sizeof(char) * ft_strlen(s) + 2)))
        return (0);
    while (s[i++])
        dest[i] = s[i];
    dest[i++] = c;
    dest[i] = '\0';
    return (dest);
}

char    *read_func(char *s)
{
    char buf;
    int rrv = 0;

    s = "";
    while ((rrv = read(0, &buf, 1)))
        s = join(s, buf);
    return (s);
}