remove some no longer used libsfio constants

diff --git a/lib/sfio/sfhdr.h b/lib/sfio/sfhdr.h
index 265b6952620ddb8226d1abb870d1f6241fae1c94..7c483ef0cc06e9a0da0041199e50dc73433332f8 100644 (file)
--- a/lib/sfio/sfhdr.h
+++ b/lib/sfio/sfhdr.h
@@ -493,23 +493,6 @@ extern "C" {
 /* number of pages to memory map at a time */
 #define SF_NMAP                8
 
-/* set/unset sequential states for mmap */
-#if defined(_lib_madvise) && defined(MADV_SEQUENTIAL) && defined(MADV_NORMAL)
-#define SFMMSEQON(f,a,s)       (void)(madvise((caddr_t)(a),(size_t)(s),MADV_SEQUENTIAL) )
-#define SFMMSEQOFF(f,a,s)      (void)(madvise((caddr_t)(a),(size_t)(s),MADV_NORMAL) )
-#else
-#define SFMMSEQON(f,a,s)
-#define SFMMSEQOFF(f,a,s)
-#endif
-
-#define SFMUNMAP(f,a,s)                (munmap((caddr_t)(a),(size_t)(s)), \
-                                ((f)->endb = (f)->endr = (f)->endw = (f)->next = \
-                                 (f)->data = NIL(uchar*)) )
-
-#ifndef MAP_VARIABLE
-#define MAP_VARIABLE   0
-#endif
-
 /* the bottomless bit bucket */
 #define DEVNULL                "/dev/null"
 #define SFSETNULL(f)   ((f)->extent = (Sfoff_t)(-1), (f)->bits |= SF_NULL)