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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/* Copyright (c) 1998, 1999, 2001, 2002, 2003 John E. Davis
* This file is part of the S-Lang library.
*
* You may distribute under the terms of either the GNU General Public
* License or the Perl Artistic License.
*/
#include "slinclud.h"
static void print (char *symbol, int is_defined)
{
if (is_defined)
fprintf (stdout, "%s is defined\n", symbol);
else
fprintf (stdout, "%s is NOT defined\n", symbol);
}
int main (int argc, char **argv)
{
print ("__MSDOS__",
#ifdef __MSDOS__
1
#else
0
#endif
);
print ("IBMPC_SYSTEM",
#ifdef IBMPC_SYSTEM
1
#else
0
#endif
);
print ("REAL_UNIX_SYSTEM",
#ifdef REAL_UNIX_SYSTEM
1
#else
0
#endif
);
print ("__os2__",
#ifdef __os2__
1
#else
0
#endif
);
print ("__WIN32__",
#ifdef __WIN32__
1
#else
0
#endif
);
print ("__unix__",
#ifdef __unix__
1
#else
0
#endif
);
print ("__GO32__",
#ifdef __GO32__
1
#else
0
#endif
);
print ("__DJGPP__",
#ifdef __DJGPP__
1
#else
0
#endif
);
print ("__MSDOS_16BIT__",
#ifdef __MSDOS_16BIT__
1
#else
0
#endif
);
return 0;
}
|