1 int  tstv(void *p) { return !p; }
   2 int  cmpv(void *p) { return p == ((void*)0); }
   3 
   4 int  tsti(int  *p) { return !p; }
   5 int  cmpi(int  *p) { return p == ((int *)0); }
   6 int  cmpx(int  *p) { return p == ((void*)0); }
   7 
   8 /*
   9  * check-name: compare-with-null
  10  * check-command: sparsec -Wno-decl -c $file -o tmp.o
  11  * check-output-ignore
  12  */