ANSIfy trek(6)

Note: Binary change is introduced due to function schedule() where its args are
(int,double,char,char,char), but on trek.h are (int,double,int,int,int). Changed
to the latter since th

ANSIfy trek(6)

Note: Binary change is introduced due to function schedule() where its args are
(int,double,char,char,char), but on trek.h are (int,double,int,int,int). Changed
to the latter since the 3 last args are coordinates.

OK tb@

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Remove unnecessary headers and sort the remaining alphabetically

OK tb@

rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(th

rcsid[] and sccsid[] and copyright[] are essentially unmaintained (and
unmaintainable). these days, people use source. these id's do not provide
any benefit, and do hurt the small install media
(the 33,000 line diff is essentially mechanical)
ok with the idea millert, ok dms

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Remove the advertising clause in the UCB license which Berkeley
rescinded 22 July 1999. Proofed by myself and Theo.

de-register

tags, formatting, ANSI-fication, prototypes, de-typos, and the occasional
initialization, removal of unused variable, or other minor fix. Most
changes are from or inspired by NetBSD.

initial import of NetBSD tree