#include<stdio.h>   
void Temperatures(double);
const float K = 1.8;
 const float A = 32.0;
 const float B = 273.16;   
 int main(void)
  {  
  double TM;
   int a;   
   printf("please input the degree Fahrenheit:");  
   a = scanf("%lf",&TM);
   while(a == 1)
     {   
     Temperatures(TM);   
      printf("please input the degree Fahrenheit(q to quit):");  
       a = scanf("%lf",&TM);  }  return 0;
        }
        void Temperatures(double TM)
    {  
    double celsius,kelvin;  
    celsius = (TM-A) / K;  
    kelvin = celsius + B;  
     printf("Fahrenheit:%.2lf,  Celsius:%.2lf,  Kelvin:%.2lf\n",TM,celsius,kelvin);
      }
一个温度转化程序

表示如果为真则执行下述语句