C lnaguage program to convert fahrenheit to celsius

// relation between Fahrenheit and Celsius

#include<stdio.h>

#include<conio.h>

void main()

{

            float f2,c2,c,f,c,a,f3,b,d,e,g,h,i,j;

            clrscr();

            printf("enter convertion method f to c press (0) and for c to f (1):");

            scanf("%f",&c);

            a=9;

            b=5;

            d=32;

            j=160;

            if (c==0)

                        {

                                    printf("enter the value of fehrenheit:");

                                    scanf("%f",&f);

                                    f3=f*b;

                                    i=f3-j;

                                    c2=i/a;

                                    printf("celsius:%f",c2);

                        }

            else if (c==1)

                        {

                                    printf("enter the value of celsius:");

                                    scanf("%f",&c);

                                    g=a/b;

                                    e=g*c;

                                    f2=e+d;

                                    printf("fehrenheit:%f",f2);

                        }

            else

                        {

                                    printf("sorry enter correcgt value....___");

                        }

            getch();

}