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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* Mach Operating System
* Copyright (c) 1991,1990,1989 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
#include <stdarg.h>
#include "doscan.h"
static int
readchar(arg)
void *arg;
{
return *(*(unsigned char**)arg)++;
}
static void
unchar(c, arg)
int c;
void *arg;
{
(void)c;
(*(unsigned char**)arg)--;
}
int vsscanf(s, fmt, args)
char *s;
char *fmt;
va_list args;
{
return _doscan(fmt, args, readchar, unchar, &s);
}
int sscanf(char *s, char *fmt, ...)
{
va_list args;
int vals;
va_start(args, fmt);
vals = vsscanf(s, fmt, args);
va_end(args);
return vals;
}
|