https://developer.apple.com/documentation/
https://manned.org/libproc/9ae74aa3 libproc man page https://docs.oracle.com/cd/E88353_01/html/E37842/libproc-3lib.html https://manned.org/libproc_dev.3 name_to_dev, dev_to_name - lookup device names and numbers tty_to_dev, dev_to_tty - lookup tty names and numbers https://manned.org/libproc_output.3 https://manned.org/libproc_pw.3 user_from_uid, group_from_gid - lookup ids in /etc/passwd and /etc/group https://manned.org/readproc.3 read information from next /proc/## entry https://manned.org/readproctab.3 read information for all current processes at once https://manned.org/openproc.3
https://gitlab.com/procps-ng/procps Command line and full screen utilities for browsing procfs, a "pseudo" file system dynamically generated by the kernel to provide information about the status of entries in its process table.