NULL
#define NULL ((VOID *) 0)
#define NULL ((void *)0)
#define NULL nullptr
#define NULL __null
#define NULL (0L)
#define NULL 0
#define NULL 0
#define NULL ((void *) 0)
#define NULL 0
# define NULL 0
#undef NULL
#define NULL 0
#undef NULL
#undef NULL
# define NULL ((char *) 0)
#define NULL 0
#undef NULL
#define NULL 0
#undef NULL
#define NULL 0
#undef NULL
#define NULL 0
#undef NULL
#define NULL 0
#define NULL 0
#define NULL 0
#define NULL ((void *)0)
#define NULL 0
#define NULL ((void *)0)
#define NULL ((void *)0)
#define NULL 0
#undef NULL
#define NULL ((void *) 0)
#define NULL 0
#define NULL 0
#define NULL 0
#define NULL 0
#define NULL (0)
#define NULL (0)
#define NULL (char *)0
#define NULL (0)
#define NULL 0
#undef NULL
#define NULL (M_NULL)
#define NULL (0)
#define NULL 0
#define NULL 0
#define NULL 0 /* defined here as per ISO C */
#define NULL ((void*)0)
#define NULL ((void*)0)
#define NULL ((void*)0)
#define NULL ((void*)0)
#define NULL ((void *)0)
#define NULL 0
#define NULL ((void *) 0)
#define NULL ((void *) 0)
#define NULL ((void *) 0)
#define NULL ((void *)0)
#define NULL nullptr
#define NULL 0L
#define NULL 0
#define NULL (void *) 0