Undercover Mamoed

#include conio.h>
#include ctype.h>
#include string.h>
#include dos.h>
#include stdlib.h>
#include stdio.h>
#define maks 15

// ======= Deklarasi Variabel Global ===========

pembukaan();
struct ip1 { char kuliah[20],indeks;
int bobot,amutu,hasil;
};

struct ip2 { char nama[20],npm[10],jur[30],jenjang[30];
int nilai,totalbobot;
float ip;
};
struct ipk1 { int j_am,j_sks; };
struct ipk2 { char nama[20],npm[10],jur[30],yad[30];
int tot_am,tot_sks;
float ipk;
};

struct ip1 data1[maks],td1[maks];
struct ip2 data2,td2;
struct ipk1 data3[maks],td3[maks];
struct ipk2 data4,td4;

int i,banyak,ada,ada2,pilih=1,x,jumlah;
char buffer[81],namafile[20],ambil[30],temp[20];
char *p;
char tekan,kode,huruf;
FILE *fl;