the subj.

novitk@DESKTOP-KN:~/repos/scala-native$ grep -m 1 -B 10 printf clib/src/main/scala/scala/scalanative/libc/package.scala
package scala.scalanative
import scalanative.unsafe._
import scalanative.libc.stdio

package object libc {
implicit class StdioHelpers(val _stdio: libc.stdio.type) extends AnyVal {
def printf(format: CString, args: CVarArg*): CInt =
novitk@DESKTOP-KN:~/repos/scala-native$ diff <(git ls-tree --name-only -r master clib) <(git ls-tree --name-only -r tags/v0.4.0-M2 clib)
6d5
< clib/src/main/scala/scala/scalanative/libc/package.scala