bool BOver = false;
int i,j,cnt = 0;
#define MAXCNT 5000    for ( int i = 0; i < 100; i   )
{
    .....
    for ( int j = 0; j < 100; j   )
    {
    ....
        cnt  ;
        if ( cnt == MAXCNT )
        {
            BOver = true; 
            break;
        }
    }
    if ( BOver )
        break;    }     

int total = 0;
int i = 1;
int f()
{
    if (i < 101)
    {
        total =i;
        i  ;
        f();
    }
    return;
}
main()
{
f();
pinrtf("total = %d",total);
}