xref: /original-bsd/usr.bin/pascal/libpc/APPEND.c (revision 55330032)
1 /* Copyright (c) 1979 Regents of the University of California */
2 
3 static char sccsid[] = "@(#)APPEND.c 1.1 10/31/80";
4 
5 #include "h00vars.h"
6 #include "h01errs.h"
7 
8 APPEND(filep)
9 
10 	register struct iorec	*filep;
11 {
12 	filep = GETNAME (filep, 0, 0, 0);
13 	filep->fbuf = fopen(filep->fname, "a");
14 	if (filep->fbuf == NULL) {
15 		ERROR(EOPEN, filep->pfname);
16 		return;
17 	}
18 	filep->funit |= (EOFF | FWRITE);
19 	if (filep->fblk > PREDEF) {
20 		setbuf(filep->fbuf, &filep->buf[0]);
21 	}
22 }
23