Insertion Sort Example program in C

 /*  
 This is a basic program of Insertion sort.  
 Author: Afiz  
 Date:  
 */  
 #include<stdio.h>  
 main()  
 {  
 int a[5]={9,7,4,8,1};// array with 5 elements.  
 int out,in,min,i;// local variable declarations   
 for(out=1;out<5;out++) // outer loop   
      {  
           temp = a[out];  
           in =out;   
      while(in>0 && a[in-1]>=temp) // inner loop   
           {  
                a[in]=a[in-1];  
                --in;   
           }  
           a[in]=temp;   
      }  
 //printing array ..   
 for(i=0;i<5;i++)  
      {  
           printf("%d\n",a[i]); //   
      }  
 }