[DOC] Doc for StringIO.getc

Author: BurdetteLamar

doc/stringio/getc.rdoc

@@ -0,0 +1,23 @@
+Reads and returns the next character from the stream:
+
+  strio = StringIO.new('foo')
+  strio.getc # => "f"
+  strio.getc # => "o"
+  strio.getc # => "o"
+
+Returns +nil+ if at end-of-stream:
+
+  strio.eof? # => true
+  strio.getc # => nil
+
+Returns characters, not bytes:
+
+  strio = StringIO.new('тест')
+  strio.getc # => "т"
+  strio.getc # => "е"
+
+  strio = StringIO.new('こんにちは')
+  strio.getc # => "こ"
+  strio.getc # => "ん"
+
+Related: StringIO.getbyte.

ext/stringio/stringio.c

@@ -958,8 +958,8 @@ strio_each_byte(VALUE self)
  * call-seq:
  *   getc -> character or nil
  *
- * Reads and returns the next character from the stream;
- * see {Character IO}[rdoc-ref:IO@Character+IO].
+ * :include: stringio/getc.rdoc
+ *
  */
 static VALUE
 strio_getc(VALUE self)