C语言自动售货机代码

#include #include #include

void GetltemName(char *item, FILE *file); int GetltemPrice(FILE *file); void AcceptMoney(int price); //symbolic constant definitions

#define CAPACITY 10 //max number itemavailable to vend

int main(void) {

char name[CAPACITY][20]={0}; int price[CAPACITY]={0}; FILE *stockfile; int i,Nitems,choice; int listend;

stockfile=fopen(\ if(stockfile==NULL) {

printf(\ } else {

//read stock from file listend=0; Nitems=0; do {

price[Nitems]=GetltemPrice(stockfile); GetltemName(name[Nitems],stockfile); if(price[Nitems]>0) {

Nitems++; } else {

listend=1; } }

while(Nitems

printf(\

for(i=0;i

printf(\ }

//request selection printf(\ do {

printf(\ scanf(\ }

while(choice<0||choice>Nitems-1); printf(\

AcceptMoney(price[choice]);

printf(\ }

fclose(stockfile); return 0; }

void GetltemName(char *item,FILE *file) {

int len;

if(feof(file)) {

item[0]='\\0'; } else {

fgets(item,20,file); len=strlen(item); if(item[len-1]=='\\n') {

item[len-1]='\\0'; } } }

void AcceptMoney(int price) {

int money=0,coin,left;

printf(\ do

{

left=price;

printf(\ do {

printf(\ scanf(\ }

while(coin!=1&&coin!=2&&coin!=5&&coin!=10); money=money+coin; left=price-money; }

while(left>0);

printf(\}

int GetltemPrice(FILE *file)

{ int j;

if(feof(file)) {

j='\\0'; } else {

fscanf(file,\ }

return j; }

COMMODITY FILE : pricelist.txt

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