[R] Using C code in R

From: Jaimin Dave <davejaiminm_at_gmail.com>
Date: Wed, 23 Mar 2011 19:12:01 -0500

I am new to R and I want to know how to use C code which contains two functions one called inside another.I know that how to use C code in R if it has only one function but dont know how to do it in above case. I want to use the same in R .My C code is as follows.

//#include <R.h>

void sayHello();

void g();

void sayhello() {

Rprintf("Hello world %d\n",global);


void g()


int a=9;

int b=1;

Rprintf("Hello world\n %d",(a+b));



Help would be greatly appreciated


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