cannot get search to work properly.

[KC2010]

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

#define MAX 25
#define S_SIZE 30
#define NAME_SIZE 20
#define STATE_SIZE 3
#define CODE_SIZE 5

 struct customer{
	int cust_id;
	char customer_name[NAME_SIZE];
	char state[STATE_SIZE];
    char discount_code[CODE_SIZE];
	double balance_due;
	int outstanding_orders;
	//char a[20];
}cust_list[MAX]; 

void load_file();
int stripend(char *s);
void init_list();
void add_rec();
int binary_search();
int menu_select(); 
int find_free();
void list();
int compare(int i, int j);
void  swap(int i,int j);
void print_list_header();
void print_customer(int t);

	


int main() 
{
	load_file();
	char choice;
	char s[3];
	int i, j;

	
	list();/* initialize the structure array */
	for(;;)
	{
		choice = menu_select();
		
	    switch (choice)
		{
	   case 1: list();
       break;
       case 2: binary_search();
       break;
	   case 3: add_rec();
	   break;
       case 4: exit(0);
	   case 5:
	   case 6:
		  printf("i: ");
		  fgets(s, 3, stdin);
		  i = atoi(s);
		  if (choice == 5) compare(i,j);
		  else swap(i,j);
		  break;
	   case 7:
		  binary_search();
    }
  }
	return 0;
}

void init_list()
{
  register int t;

  for(t=0; t<MAX; ++t) cust_list[t].cust_id = '\0';
}
int menu_select()
{
      char s[80];
      int c;
      
      printf("1. List the file\n");
      printf("2. Search the file\n");
      printf("3. add a record\n");
      printf("4. Quit\n");
      printf("5. Compare\n");
      printf("6. Swap\n");
      printf("7. Sort\n");
      do {
        printf("\nEnter your choice: ");
        fgets(s,S_SIZE,stdin);
        c = atoi(s);
      } while(c<0 || c>7);
      
  return c;
}
void add_rec()
{

      int slot;
      char s[S_SIZE];
      
      slot = find_free();

      if(slot==-1) {
        printf("\nList Full");
        return ;
      
}

      printf("Enter customer ID: ");
      fgets(s,S_SIZE,stdin);
      cust_list[slot].cust_id = atoi(s);

      printf("Enter customer name: ");
      fgets(s,S_SIZE,stdin);
      stripend(s);
      strncpy(cust_list[slot].customer_name,s,NAME_SIZE);
      
      printf("Enter state: ");
      fgets(s,S_SIZE,stdin);
      stripend(s);
      strncpy(cust_list[slot].state,s,STATE_SIZE);

      printf("Enter discount code 'A', 'B', 'C': ");
      fgets(s,S_SIZE,stdin);
      stripend(s);
      strncpy(cust_list[slot].discount_code,s,CODE_SIZE);
      
      printf("Enter balance due: ");
      fgets(s,S_SIZE,stdin );
      cust_list[slot].balance_due= atof(s);

      printf("Enter outstanding orders: ");
      fgets(s,S_SIZE,stdin);
      cust_list[slot].outstanding_orders = atoi(s);

}
/* Find an unused structure. */
int find_free()
{
      register int t;

      for(t=0; cust_list[t].cust_id && t<MAX; ++t) ;

      if(t==MAX) return -1; /* no slots free */
      return t;
}


void load_file()
{
      FILE  *fp;
      char s[S_SIZE];
      int t=0;
      register int i;

      if((fp=fopen("ASSIGNV1.DAT", "r"))==NULL) 
      {
        printf("Cannot open file.\n");
        return;
      }
      
      init_list();
      int eof = 0;
      //print_list_header();
      printf("\n");
      for(i=0; i<MAX; i++)
      {
	      if(!fgets(s,S_SIZE,fp)) break;
	      cust_list[i].cust_id=atoi(s);

	      if(!fgets(s,S_SIZE,fp)) break;
	      stripend(s);
	      strncpy(cust_list[i].customer_name,s,NAME_SIZE);

	      if(!fgets(s,S_SIZE,fp)) break;
	      stripend(s);
	      strncpy(cust_list[i].state,s,STATE_SIZE);

	      if(!fgets(s,S_SIZE,fp)) break;
	      stripend(s);
          strncpy(cust_list[i].discount_code,s,CODE_SIZE);

	      if(!fgets(s,S_SIZE,fp)) break;
	      stripend(s);
          cust_list[i].balance_due=atof(s);

	      if(!fgets(s,S_SIZE,fp)) break;
	      stripend(s);
	      cust_list[i].outstanding_orders=atoi(s);
      }
	    {
		    //print_customer(t);
	    }
      
	      fclose(fp);

 }
void list()
{
    
       int t;
	    print_list_header();
      for(t=0; t<MAX; ++t) 
      {
        if(cust_list[t].customer_name[0]) 
	    {
		    print_customer(t);	
        }
      }
      printf("\n\n");
}

int stripend(char *s)
{
      int i;
      for (i = 0; s[i]; i++)
      {
        if (s[i] == '\r' || s[i] == '\n')
        {
          s[i] = '\0';
          return i;
        }
      }
}

void  swap(int i,int j)
{
   double temp;
   temp = cust_list[i];
   cust_list[i] = cust_list[j];
   cust_list[j] = temp;

}
 
int compare(int i, int j)
{
	    if (cust_list[i].cust_id > cust_list[j].cust_id)
	      return 1;
      else
	      return 0;
        
  }

int binary_search() 
{
	int t =0;
	char s[S_SIZE];
	int low=0;
	int high=0;
	int target=0;	
	printf("Enter a custome ID: ");
	fgets(s,20,stdin);
    
	if (high < low)
        return -1;
     print_customer(t);
    int middle = (low + high)/2;
    if (target < s[middle])
        return binary_search();
    else if (target > s[middle])
        return binary_search();
    else if (target == s[middle])
        //return middle;
        printf("RECORD NOT FOUND");
    
}


void print_list_header()
{
	printf("%-10s%-20s%-10s%-10s%-10s%-s\n", "CUSTOMER", "NAME", "STATE", "DISCOUNT", "BALANCE", "OUTSTANDING");
	printf("%-10s%-20s%-10s%-10s%-10s%-s\n", "ID",       "",     "",       "CODE",    "DUE",     "ORDERS");
}

void print_customer(int t)
{
	printf("%-10d%-20s%-10s%-10s%-10.2f%-d\n", cust_list[t].cust_id,cust_list[t].customer_name,cust_list[t].state, cust_list[t].discount_code, cust_list[t].balance_due, cust_list[t].outstanding_orders);
}