+#include <sys/types.h>
#include <sys/mman.h>
+#include <stddef.h>
int
-main(int argc, char **argv)
+main(void)
{
-
- mmap(0, 0, PROT_READ, MAP_FILE|MAP_SHARED, -1, 0);
- return 0;
+ return(MAP_FAILED != mmap(NULL, 1, PROT_READ, MAP_SHARED, -1, 0));
}