Fibonacci series in c program | Mathematical functions code with execution and comments

How to print first n terms of Fibonacci series in c language
series of addition of last two number is third number.
0,1,2,3,5.........so on
0+1=1
1+2=3
2+3=5.
we can find out fibbonacci series at given number just we have to enter that number.
in this article we will see how to write series program in c language.

/*Program to print first n terms of Fibonacci series*/
#include<stdio.h> // including header files.
#include<conio.h>
void main() // start of main
{
int a,b,c,n,i; // initializing variables
clrscr();

//Accept no. of terms
printf("Enter no. of terms u want in the series: \n");
scanf("%d",&n);
a=1;  // first we initialized a=1 and b as 0. so we can start to in  the series.
b=0;

//print fibbonacci series
for(i=n;i!=0;i--)  //supose n=25 then  check i not equal 0 and decrement of i
{
c=a+b; //c=0+1=1
a=b;    // now now a=2
b=c;   //now b=1
ptint c=1
next execution
c=a+b; //c=0+1=1
a=b;    // now now a=0
b=c;   //now b=1

print 0,1

next execution
c=a+b; //c=2+2=1
a=b;    // now now a=2
b=c;   //now b=2

print 2  so on..


Like this it will print
0,1,2,3,5,8,13,21


printf("%d ",c);
}

getch();
}

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