1 #pragma GCC system_header
2 #define NULL (void *) 0
3 #define ONEP (void *) 1
4 #define RETURN return NULL
5 
6 extern void sysbar (unsigned char *);
7 
8 unsigned char *
sysfn1(void * p)9 sysfn1 (void *p)
10 {
11    unsigned char *uc = ONEP;
12    uc = ONEP;
13    sysbar (ONEP);
14    return ONEP;
15 }
16 
17 extern void sysbar2 (int);
18 
19 int
sysfn2(void)20 sysfn2 (void)
21 {
22   int a = NULL;
23   a = NULL;
24   sysbar2 (NULL);
25   return NULL;
26 }
27 
28 int
sysfn3(void)29 sysfn3 (void)
30 {
31   RETURN;
32 }
33