cscope --version (return code: 0)
cscope: version 15.8b
cscope --help (return code: 1)
Usage: cscope [-bcCdehklLqRTuUvV] [-f file] [-F file] [-i file] [-I dir] [-s dir]
[-p number] [-P path] [-[0-8] pattern] [source files]
-b Build the cross-reference only.
-C Ignore letter case when searching.
-c Use only ASCII characters in the cross-ref file (don't compress).
-d Do not update the cross-reference.
-e Suppress the <Ctrl>-e command prompt between files.
-F symfile Read symbol reference lines from symfile.
-f reffile Use reffile as cross-ref file name instead of cscope.out.
-h This help screen.
-I incdir Look in incdir for any #include files.
-i namefile Browse through files listed in namefile, instead of cscope.files
-k Kernel Mode - don't use /usr/include for #include files.
-L Do a single search with line-oriented output.
-l Line-oriented interface.
-num pattern Go to input field num (counting from 0) and find pattern.
-P path Prepend path to relative file names in pre-built cross-ref file.
-p n Display the last n file path components.
-q Build an inverted index for quick symbol searching.
-R Recurse directories for files.
-s dir Look in dir for additional source files.
-T Use only the first eight characters to match against C symbols.
-U Check file time stamps.
-u Unconditionally build the cross-reference file.
-v Be more verbose in line mode.
-V Print the version number.
Please see the manpage for more information.