Riccardo Paolo Bestetti wrote: > Hello, > > In Debian 9, the > $ man pthread_mutex_init > command results in: > No manual entry for pthread_mutex_init. > > Other pthread man pages (such as pthread_create, pthread_join, ...) are > available. > > The "manpages-posix-dev" non-free package is available to install the missing > man pages. > Why are these pages separate from the others, and why are them not free? >
https://metadata.ftp-master.debian.org/changelogs/non-free/m/manpages-posix/manpages-posix_2013a-2_copyright Starts: Disclaimer: This package is not part of the Debian distribution since it comes with a non DFSG-free license. Files: * Copyright: (C) 2013 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group License: Other The Institute of Electrical and Electronics Engineers (IEEE) and The Open Group, have given us permission to reprint portions of their documentation. . In the following statement, the phrase ``this text'' refers to portions of the system documentation. . Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri- cal and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.unix.org/online.html . .
