다��식 연산

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

//다��식 설정
typedef struct polyList
{
int exp ;
float coef ;
struct polyList *link ;
}polyList ;

//헤덏
typedef struct
{
polyList *head ;
}poly_h ;


//함수 선언
void menu() ;
poly_h *zeroP() ;
int isZeroP(poly_h *L) ;
float coef(poly_h *L,int e) ;
int maxExp(poly_h *L) ;
void addTerm(poly_h *L, float c, int e) ;
poly_h *delTerm(poly_h *L,int e) ;
poly_h *sMult(poly_h *L, float c, int e) ;
poly_h *PolyAdd(poly_h *L1, poly_h *L2) ;
poly_h *PolyMult(poly_h *L1, poly_h *L2) ;
void copyList(poly_h *L1, poly_h *L2) ;
void printList(poly_h *L) ;
poly_h *inputPoly() ;
void calList() ;

//입력
int input = 0 ;

// 다��식 생성
poly_h *PL1 ;
poly_h *PL2 ;

int main()
{
menu() ;

return 0 ;
}

void menu()
{
float c = 0;
int e = 0 ;
polyList * p ;
while(1)
{
system("cls") ;
printf("==== 메뉴 ====\n");
printf("1. 다��식 입력\n");
printf("2. 다��식 출력\n");
printf("3. 항 추가\n") ;
printf("4. 항 삭제\n");
printf("5. 항 수정\n");
printf("6. 다��식 덧셈\n");
printf("7. 다��식 곱셈\n");
printf("8. 다��식 계산\n");
printf("9. 종료\n");