#include<stdio.h>
#include<conio.h>

int main()
{
clrscr();

char Driver[40] ,From[10], To[10];
int BUS=0;

    FILE *sfile;
    if ((sfile = fopen("c:\bus.txt", "a+")) == NULL)
        BUS = 1;
    else
    {
        do
        {
        fscanf(sfile,"%i %[^/]%*c %[^/]%*c %[^/]%*c", &BUS, Driver, From, To);
        }
        while (!feof(sfile));
        BUS += 1; //also tried BUS = BUS + 1; but no go//
    }
    printf("BUS No.: %04i", BUS); //here display shows up until 0002 only.//
    printf("nDriver: ");
    fflush(stdin);
    gets(Driver);
    printf("Routen");
    printf("From: ");
    gets(From);
    printf("To: ");
    gets(To);
    printf("nRecord saved!");
    fprintf(sfile,"%i %s/ %s-%sn", BUS, Driver, From, To);
    fclose(sfile);

getch();
return (0);
}