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Ctags generates an index (or tag) file of C language objects found in C source and header files. The index makes it easy for text editors or other utilities to locate the indexed items. Ctags can also generate a cross reference file which lists information about the various objects found in a set of C language files in human readable form. Exuberant Ctags improves on ctags because it can find all types of C language tags, including macro definitions, enumerated values (values inside enum{...}), function and method definitions, enum/struct/union tags, external function prototypes, typedef names and variable declarations. Exuberant Ctags is far less likely to be fooled by code containing #if preprocessor conditional constructs than ctags. Exuberant ctags supports output of Emacs style TAGS files and can be used to print out a list of selected objects found in source files. Install ctags if you are going to use your system for C programming.
Common files and packaging infrastructure for CT-API modules.
The cu command is used to call up another system and act as a dial-in terminal (mostly on a serial line). It can also do simple file transfers with no error checking. cu is part of the UUCP source but has been split into its own package because it can be useful even if you do not do uucp.
CUE makes it easy to validate data, write schemas, and ensure configurations align with policies. CUE works with a wide range of tools and formats that you're already using such as Go, JSON, YAML, OpenAPI, and JSON Schema.