File: rewind.c

package info (click to toggle)
xppaut 5.85-3
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 11,552 kB
  • ctags: 7,725
  • sloc: ansic: 80,633; cpp: 965; makefile: 265
file content (17 lines) | stat: -rw-r--r-- 328 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
#include "f2c.h"
#include "fio.h"
integer f_rew(a) alist *a;
{
	unit *b;
	if(a->aunit>=MXUNIT || a->aunit<0) err(a->aerr,101,"rewind");
	b = &units[a->aunit];
	if(b->ufd == NULL) return(0);
	if(!b->useek) err(a->aerr,106,"rewind")
	if(b->uwrt) {
		(void) t_runc(a);
		b->uwrt = 3;
		}
	rewind(b->ufd);
	b->uend=0;
	return(0);
}