多源代码文件程序的编译
#include <stdio.h>#include "hotel.h"
int main (void)
{
int nights;
double hotel_rate;
int code;
while ((code = menu ()) != QUIT)
{
switch (code)
{
case 1: hotel_rate = HOTEL1;
break;
case 2: hotel_rate = HOTEL2;
break;
case 3: hotel_rate = HOTEL3;
break;
case 4: hotel_rate = HOTEL4;
break;
default: hotel_rate = 0.0;
printf ("Oops!\n");
break;
}
nights = getnights ();
showprice (hotel_rate, nights);
}
printf ("Thank you and goodbye. ");
return 0;
}
#include <stdio.h>
#include "hotel.h"
int menu (void)
{
int code, status;
printf ("\n%s%s\n", STARS, STARS);
printf ("Enter the number of the desired hotel: \n");
printf ("1) Fairfield Arms 2) Hotel Olympic\n");
printf ("3) Chertworthy Plaza 4) The Stockton\n");
printf ("5) quit\n");
printf ("%s%s\n", STARS, STARS);
while ((status = scanf ("%d", &code)) != 1 || (code < 1 || code > 5))
{
if (status != 1)
scanf ("%*s");
printf ("Enter an integer form 1 to 5, please.\n");
}
return code;
}
int getnights (void)
{
int nights;
printf ("How many nights are needed? ");
while (scanf ("%d", &nights)!= 1)
{
scanf ("%*s");
printf ("Please enter an integer, such as 2.\n");
}
return nights;
}
void showprice (double rate, int nights)
{
int n;
double total = 0.0;
double factor = 1.0;
for (n=1; n <= nights; n++, factor *= DISCOUNT)
total += rate * factor;
printf ("The total cost will be $%0.2f.\n", total);
}
#define QUIT 5
#define HOTEL1 80.00
#define HOTEL2 125.00
#define HOTEL3 155.00
#define HOTAL4 200.00
#define DISCOUNT 0.95
#define STARS "*****************"
int menu (void);
int getnights (void);
void showprice (double, int);
请问这个程序怎么才能放在工程里面编译出来，我用的是free c还是说需要其他软件
