U:RDoc::AnyMethod[iI"ungetbyte:ETI"IO#ungetbyte;TF:publico:RDoc::Markup::Document:@parts[o:RDoc::Markup::Paragraph;	[
I"BPushes back bytes (passed as a parameter) onto <em>ios</em>, ;TI"Hsuch that a subsequent buffered read will return it. Only one byte ;TI"Emay be pushed back before a subsequent read operation (that is, ;TI"Syou will be able to read only the last of several bytes that have been pushed ;TI"Eback). Has no effect with unbuffered reads (such as IO#sysread).;To:RDoc::Markup::BlankLineo:RDoc::Markup::Verbatim;	[	I"5f = File.new("testfile")   #=> #<File:testfile>
;TI")b = f.getbyte              #=> 0x38
;TI"(f.ungetbyte(b)             #=> nil
;TI"(f.getbyte                  #=> 0x38;T:@format0:
@fileI"	io.c;T:0@omit_headings_from_table_of_contents_below0I"Cios.ungetbyte(string)   -> nil
ios.ungetbyte(integer)  -> nil
;T0[I"	(p1);T@FI"IO;TcRDoc::NormalClass00