X-Git-Url: http://nitlanguage.org

diff --git a/src/interpreter/primitive_types.nit b/src/interpreter/primitive_types.nit
index 4912404..129d0c6 100644
--- a/src/interpreter/primitive_types.nit
+++ b/src/interpreter/primitive_types.nit
@@ -47,14 +47,14 @@ class PrimitiveNativeFile
 		return false
 	end
 
-	fun io_read(buf: NativeString, len: Int): Int do
+	fun io_read(buf: CString, len: Int): Int do
 		if file isa FileStream then return file.as(FileStream)._file.io_read(buf, len)
 		var str = file.as(Reader).read(len)
 		str.to_cstring.copy_to(buf, str.length, 0, 0)
 		return str.length
 	end
 
-	fun io_write(buf: NativeString, from, len: Int): Int do
+	fun io_write(buf: CString, from, len: Int): Int do
 		if file isa FileStream then return file.as(FileStream)._file.io_write(buf, from, len)
 		file.as(Writer).write(buf.to_s_with_length(len).substring_from(from))
 		return len