void Trim(char s[])
{
    /// elimina eventualele spatii de la final
    ///s="   ana   are mere     "
    ///                   i
    int i,j;
    for(i=0; s[i] != 0;i++)
        ;
    i--;
    for(;s[i]==' ';i--)
        ;
    s[i+1]=0;

    ///eliminam spatiile de la inceput
    for(i=0;s[i]==' ';i++)
        ;
    j=0;
    while(s[i]!=0)
    {
        s[j]=s[i];
        i++;
        j++;
    }
    s[j]=0;
}