sat.c    The satd program, ask satd to queue a job.
satq.c   The satq program, ask satd for a list of queued jobs.
satr.c   The satr program, ask satd to run jobs early.
satrm.c  The satrm program, ask satd to remove jobs from the queue.

satd.c             The initialisation part of satd.
satd-diminished.c  The rest of satd, std.c exec:s to this.

parse_time.[ch]    Use by sat.c to parse the time argument.
                   Only rudimentary parsing is done.

daemonise.[ch]     From <http://github.com/maandree/slibc>;
                   daemonisation of the process. Used by satd.c

client.[ch]        Used by sat{,q,r,rm}.c, code for communicating
                   with satd, starts satd transparently if necessary.

common.h           Used by sat{,q,r,rm}.c, some shared code.