ctags \- maintain a tags file for a C program
from the specified C programs.
A tags file gives the locations of specified objects (in this case
functions) in a group of files.
Each line of the tags file contains the function name,
the file in which it is defined, and a scanning pattern used to find
the function definition. These are given in separate fields on the line,
separated by blanks or tabs.
option causes the output to be appended to the tags file
option causes the specified files to be
in tags, that is, all references to them are deleted,
and the new values are appended to the file.
option suppresses warning diagnostics.
The tag formed is created by prepending
to the name of the file, with a trailing .c removed, if
any, and leading pathname components also removed.
This makes use of ctags practical in directories with
In a directory with only one
will still not be created.