Recursive Function in C for addition of given two numbers

Recursive Function in C for addition of given two numbers

#include 
int add(int pk,int pm);
main()
{
 int k ,i,m;
 m=2;
 k=3;
 i=add(k,m);
 printf("The value of addition is %d\n",i);
 getch();
}


int add(int pk,int pm)  
{
if(pm==0) return(pk); 
else return(1+add(pk,pm-1));
}