Find specified characters

This question requires the preparation of procedures , Find a specified character from a given string .

Input format ：

The first line of input is a character to be found . The second line is a non empty string ending with carriage return （ No more than 80 Characters ）.

Output format ：

If you find , In one line, according to the format “index = Subscript ” Output the maximum subscript of the character in the string （ Subscript from 0 Start ）; Otherwise output "Not Found".

sample input 1：

m
programming

sample output 1：

index = 7

sample input 2：

a
1234

sample output 2：

Not Found

Code ： 

#include <stdio.h>
int main(){
	 int i,flag;
	 char x;
	 int g;
	 char a[80];
	 scanf("%c",&x);
	 getchar();
	 for(i=0;(a[i]=getchar())!='\n';i++);
	 a[i]='\0';
	 flag=0;
	 for(i=0;a[i]!='\0';i++){
	 	if(x==a[i]){
	 		flag=1;
	 		g=i;
	 	}
	 }

	 if(flag==0)printf("Not Found");
	 else{
	 		 printf("index = %d",g);
	 }
}