From: rob@plan9.att.com rob@plan9.att.com
Subject: reading selected text in acme
Date: Mon, 9 Oct 1995 02:02:35 -0400 [thread overview]
Message-ID: <19951009060235.BSagiskPPNiu7zbH9YUhodP9tD2YinKUMpAOB6J0x9A@z> (raw)
#include <u.h>
#include <libc.h>
/* assumes chars==characters. fixing this is an exercise for the reader */
void
main(void)
{
int c, a, d, x1, x2;
char buf[256];
c = open("/mnt/acme/1/ctl", ORDWR);
a = open("/mnt/acme/1/addr", OREAD);
d = open("/mnt/acme/1/data", OREAD);
write(c, "addr=dot", 8);
read(a, buf, sizeof buf);
x1 = atoi(buf);
x2 = atoi(buf+12);
seek(d, x1, 0);
read(d, buf, x2-x1);
write(1, buf, x2-x1);
exits(0);
}
next reply other threads:[~1995-10-09 6:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
1995-10-09 6:02 rob [this message]
1995-10-09 17:29 beto
1995-10-09 23:21 beto
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