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unifdef(1) [sunos man page]

unifdef(1)							   User Commands							unifdef(1)

NAME
unifdef - resolve and remove ifdef'ed lines from C program source SYNOPSIS
unifdef [-clt] [-Dname] [-Uname] [-iDname] [-iUname] ... [filename] DESCRIPTION
unifdef removes ifdefed lines from a file while otherwise leaving the file alone. It is smart enough to deal with the nested ifdefs, com- ments, single and double quotes of C syntax, but it does not do any including or interpretation of macros. Neither does it strip out com- ments, though it recognizes and ignores them. You specify which symbols you want defined with -D options, and which you want undefined with -U options. Lines within those ifdefs will be copied to the output, or removed, as appropriate. Any ifdef, ifndef, else, and endif lines associated with filename will also be removed. ifdefs involving symbols you do not specify are untouched and copied out along with their associated ifdef, else, and endiff1 lines. If an ifdefX occurs nested inside another ifdefX, then the inside ifdef is treated as if it were an unrecognized symbol. If the same symbol appears in more than one argument, only the first occurrence is significant. unifdef copies its output to the standard output and will take its input from the standard input if no filename argument is given. OPTIONS
The following options are supported: -c Complement the normal operation. Lines that would have been removed or blanked are retained, and vice versa. -l Replace ``lines removed'' lines with blank lines. -t Plain text option. unifdef refrains from attempting to recognize comments and single and double quotes. -Dname Lines associated with the defined symbol name. -Uname Lines associated with the undefined symbol name. -iDname Ignore, but print out, lines associated with the defined symbol name. If you use ifdefs to delimit non-C lines, such as comments or code which is under construction, then you must tell unifdef which symbols are used for that purpose so that it will not try to parse for quotes and comments within them. -iUname Ignore, but print out, lines associated with the undefined symbol name. EXIT STATUS
The following exit values are returned: 0 Successful operation. 1 Operation failed. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWbtool | +-----------------------------+-----------------------------+ SEE ALSO
diff(1), attributes(5) DIAGNOSTICS
Premature EOF Inappropriate else or endif. SunOS 5.10 14 Jan 1992 unifdef(1)

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unifdef(1)						      General Commands Manual							unifdef(1)

NAME
unifdef - remove preprocessor lines SYNOPSIS
sym] sym] sym] sym]] ... [file] DESCRIPTION
simulates some of the actions of in interpreting C language preprocessor command lines (see cpp(1)). For a valid preprocessor command line contains as its first character a and one of the following keywords: or The character and its associated keyword must appear on the same line, but they can be separated by spaces, tabs, and commented text. When appropriate, the portions of code surrounded by and including the targeted preprocessor directives are removed, and the resultant text is written to the standard output. Unlike does not insert included files, interpret macros, or strip comment lines. This means, among other things, that and macros occurring within the input text are not interpreted. Since is language-independent, it can be used for processing source files for languages other than the C language. For example, can be used on FORTRAN language source files, provided the C language preprocessor commands are used. Options recognizes the following command-line options: Complement the normal behavior by printing only the rejected lines. Ignore text delimited by sym. In other words, text that would otherwise be affected by some action is not touched when found within the context of a preprocessor command using sym. Ignore text delimited by sym. Replace rejected lines with blank lines in the text written to the standard output. Treat the input source as plain text. C-language comment and quoting constructs are not recognized. Define symbol sym. Cause symbol sym to be undefined. RETURN VALUE
The command returns the following exit values: 0 Output is an exact copy of the input. 1 Output is not an exact copy of the input. 2 The command fails. The failure might be due to a premature EOF or to an inappropriate or EXAMPLES
Assume file contains the following: The command sequence: produces the following result in file WARNINGS
Any symbol name defined in the file must be specified in the command line; otherwise, will ignore the line. AUTHOR
was developed in the public domain. SEE ALSO
cpp(1). unifdef(1)
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