gistfile1.txt

/*cgopkg.go*/
package cgopkg
//#include <stdlib.h>
//#include "cgopkg.h"
import "C"
import (
	"unsafe"
)
func Foo() {
	chi := C.CString("hi")
	defer C.free(unsafe.Pointer(chi))
	C.fooprint(chi)
}

/*cgopkg.h*/
void fooprint(char* s)

/*cgopkg.c*/
#include <stdio.h>

void fooprint(char* s) {
	printf("%s\n", s)
}

/*Compile errors*/cgopkg.go:13:9: unable to find value of constant C.CString
cgopkg.go:13:9: call of non-function C.CString
cgopkg.go:14:8: unable to find value of constant C.free
cgopkg.go:14:8: call of non-function C.free
cgopkg.go:15:2: unable to find value of constant C.fooprint
cgopkg.go:15:2: call of non-function C.fooprint