GNU cflow is a flow graph generator that is part of the

GNU Project The GNU Project () is a free software, mass collaboration project announced by Richard Stallman on September 27, 1983. Its goal is to give computer users freedom and control in their use of their computers and computing devices by collaborati ...

. It reads a collection of C source files and generates a C flow graph of external references. It uses only sources and doesn't need to run the program.

History

It was initially an implementation of the

UNIX Unix (; trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and ot ...

utility cflow.

cflow (UNIX utility)

cflow is a

Unix command This is a list of Unix commands as specified by IEEE Std 1003.1-2008, which is part of the Single UNIX Specification (SUS). These commands can be found on Unix operating systems and most Unix-like operating systems. List See also * List of G ...

generating a C-language flowgraph. Besides GNU, there are other implementations of ''cflow'', like the one for

Tru64 Unix Tru64 UNIX is a discontinued 64-bit UNIX operating system for the Alpha instruction set architecture (ISA), currently owned by Hewlett-Packard (HP). Previously, Tru64 UNIX was a product of Compaq, and before that, Digital Equipment Corporation ( ...

.« cflow - Tru64 Unix »
''HP website'', 2011.

References

External links

Source code
on the

GNU Savannah GNU Savannah is a project of the Free Software Foundation initiated by Loïc Dachary, which serves as a collaborative software development management system for free Software projects. Savannah currently offers CVS, GNU arch, Subversion, Git, M ...

platform.
GNU cflow
on the

Free Software Directory The Free Software Directory (FSD) is a project of the Free Software Foundation (FSF). It catalogs free software that runs under free operating systems—particularly GNU and Linux. The cataloged projects are often able to run in several other opera ...

. {{GNU C (programming language)

cflow GNU cflow is a flow graph generator that is part of the GNU Project. It reads a collection of C source files and generates a C flow graph of external references. It uses only sources and doesn't need to run the program. History It was initial ...

Compiler construction Free documentation generators