cflow

GNU cflow
DeveloperGNU Project
Stable release
1.8  / 30 July 2025 (30 July 2025)
Operating systemLinux, UNIX
TypeFlowgraph generator
LicenseGPL (free software)
Websitegnu.org/software/cflow/
Repository

cflow is a POSIX-defined shell command for generating a C-language flow graph. The GNU implementation reads C source code files, and generates a flow graph of external references. It uses only source files and does not need to run the program. Another implementation is available in Tru64 Unix.