blob: f51948a4c7a11734218c01c85c7d448d49f1b485 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <fset.h>
# MT_SKIP_RECORD -- Skip records on an opened file. Return the actual number
# of records skipped; stop if EOF is reached.
int procedure mt_skip_record (fd, nrecords)
int fd #I magtape device
int nrecords #I number of records to skip
pointer sp, buf
int n, bufsize
errchk aread, await
int await(), fstati()
begin
call smark (sp)
bufsize = fstati (fd, F_BUFSIZE)
call salloc (buf, bufsize, TY_CHAR)
for (n=1; n <= nrecords; n=n+1) {
call aread (fd, Memc[buf], bufsize, 0)
if (await (fd) == EOF)
break
}
call sfree (sp)
return (n-1)
end
|