From d0987afc748dca7c2cab11011a5ee4b86bb59ba0 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 3 Aug 2014 01:55:10 +0000
Subject: make symbol conversion functions public

* include/ruby/encoding.h (rb_check_symbol_cstr): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47040 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 README.EXT | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'README.EXT')

diff --git a/README.EXT b/README.EXT
index 756f46f98b..bfea6001c2 100644
--- a/README.EXT
+++ b/README.EXT
@@ -482,6 +482,16 @@ After this function returned a non-zero value, *name is always a
 Symbol or a String, otherwise it is a String if the result is 0.
 The third function takes NUL-terminated C string, not Ruby VALUE.
 
+You can retrieve Symbol from Ruby object (Symbol or String) given as
+an argument by using
+
+  rb_to_symbol(VALUE name)
+  rb_check_symbol(volatile VALUE *namep)
+  rb_check_symbol_cstr(const char *ptr, long len, rb_encoding *enc)
+
+These functions are similar to above functions except that these
+return a Symbol instead of an ID.
+
 You can convert C ID to Ruby Symbol by using
 
   VALUE ID2SYM(ID id)
-- 
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