[Solved] Show lines above and below!

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ansi2knr

ANSI2KNR(1)						      General Commands Manual						       ANSI2KNR(1)

NAME

       ansi2knr - convert ANSI C to Kernighan & Ritchie C

SYNOPSIS

       ansi2knr [--filename filename] [input_file [output_file]]

DESCRIPTION

       --filename provides the file name for the #line directive in the output, overriding input_file (if present).

       If no input_file is supplied, input is read from stdin.

       If no output_file is supplied, output goes to stdout.

       There are no error messages.

       ansi2knr  recognizes  function  definitions  by	seeing a non-keyword identifier at the left margin, followed by a left parenthesis, with a
       right parenthesis as the last character on the line, and with a left brace as the first token on  the  following  line  (ignoring  possible
       intervening  comments).	It will recognize a multi-line header provided that no intervening line ends with a left or right brace or a semi-
       colon.  These algorithms ignore whitespace and comments, except that the function name must be the first thing on the line.

       ansi2knr also recognizes adjacent string literals and concatenates them.

       The following constructs will confuse it:
	    - Any other construct that starts at the left margin and follows the above syntax (such as a macro or function call).
	    - Some macros that tinker with the syntax of the function header.
	    - String literals whose concatenation requires rewriting their contents; e.g. "ab " "07c" is concatenated to "ab 07c",  which  is  not
       correct.

       The  --varargs switch is obsolete, and is recognized only for backwards compatibility.  The present version of ansi2knr will always attempt
       to convert a ... argument to va_alist and va_dcl.

AUTHOR

       L. Peter Deutsch <ghost@aladdin.com> wrote the original ansi2knr and continues to maintain the current version; most of	the  code  in  the
       current	version  is  his  work.   ansi2knr  also includes contributions by Francois Pinard <pinard@iro.umontreal.ca>, Jim Avera <jima@net-
       com.com>, and Paul Eggert <eggert@twinsun.com>.

								   8 March 2000 						       ANSI2KNR(1)

Shell Programming and Scripting