Date: Tue, 25 Aug 2009 13:11:04 +0930 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-hackers@freebsd.org Cc: Ivan Voras <ivoras@freebsd.org> Subject: Re: Parallel port headers Message-ID: <200908251311.12503.doconnor@gsoft.com.au> In-Reply-To: <h6v0jn$et$1@ger.gmane.org> References: <h6v0jn$et$1@ger.gmane.org>
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--nextPart1386211.b6zfeR6ZaB Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Tue, 25 Aug 2009, Ivan Voras wrote: > Hi, > > At least one on-line tutorial about parallel port hacking > (http://www.excamera.com/articles/21/parallel.html) uses these header > files: > > #include <sys/dev/ppbus/ppi.h> > #include <sys/dev/ppbus/ppbconf.h> > > They are actually present in /sys, but not in the normal userland > include paths. Is this intentional, or was it removed sometimes in > the past? According to the ppi man page it's.. #include <stdio.h> #include <stdlib.h> #include <fcntl.h> #include <dev/ppbus/ppi.h> #include <dev/ppbus/ppbconf.h> int main(int argc, char **argv) { int fd; if ((fd =3D open("/dev/ppi0", O_RDWR)) =3D=3D -1) { printf("Can't open /dev/ppi0\n"); exit(1); } exit(0); } Those includes are present on my 7.2 box (upgraded with the last week)=20 and my (oldish) -current box. =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart1386211.b6zfeR6ZaB Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.12 (FreeBSD) iD8DBQBKk11Y5ZPcIHs/zowRAqzWAJ9FJXUiBtx3oi6MT1alA06/caB8CgCeOab4 yNmVHb5n5Svm9lWcIHMbZLY= =4e/m -----END PGP SIGNATURE----- --nextPart1386211.b6zfeR6ZaB--
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