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Date: Tue, 8 Aug 2017 00:18:01 +0000
From: Joseph Myers <joseph@codesourcery.com>
To: <libc-alpha@sourceware.org>
Subject: Do not use __ptr_t
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sys/cdefs.h has a macro __ptr_t, which a few places in glibc use
instead of void *.  void * is a well-understood standard type for that
purpose and in a post-C89 context there is no need for a macro for it;
this patch changes those places to use void * directly instead.

Unlike __long_double_t, __ptr_t is widely used outside glibc (or at
least has many hits on codesearch.debian.net).  I don't know how many
of those uses would break if sys/cdefs.h ceased to define the macro,
but there's enough risk that this patch leaves the definition and just
removes the uses within glibc; removal of the definition can be
considered separately if desired.

Tested for x86_64; also running build-many-glibcs.py.

2017-08-08  Joseph Myers  <joseph@codesourcery.com>

	* malloc/mcheck.c (old_free_hook): Use void * instead of __ptr_t.
	(old_malloc_hook): Likewise.
	(old_memalign_hook): Likewise.
	(old_realloc_hook): Likewise.
	(struct hdr): Likewise.
	(flood): Likewise.
	(freehook): Likewise.
	(mallochook): Likewise.
	(memalignhook): Likewise.
	(reallochook): Likewise.
	(mprobe): Likewise.
	* malloc/mtrace.c (mallwatch): Likewise.
	(tr_old_free_hook): Likewise.
	(tr_old_malloc_hook): Likewise.
	(tr_old_realloc_hook): Likewise.
	(tr_old_memalign_hook): Likewise.
	(tr_where): Likewise.
	(lock_and_info): Likewise.
	(tr_freehook): Likewise.
	(tr_mallochook): Likewise.
	(tr_reallochook): Likewise.
	(tr_memalignhook): Likewise.
	* misc/err.h [!__GNUC_VA_LIST] (__gnuc_va_list): Likewise.
	* misc/mmap.c (__mmap): Likewise.
	* misc/mmap64.c (__mmap64): Likewise.
	* misc/mprotect.c (__mprotect): Likewise.
	* misc/msync.c (msync): Likewise.
	* misc/munmap.c (__munmap): Likewise.
	* posix/posix_madvise.c (posix_madvise): Likewise.
	* socket/send.c (__send): Likewise.
	* socket/sendto.c (__sendto): Likewise.
	* socket/setsockopt.c (__setsockopt): Likewise.
	* string/memcmp.c (__ptr_t): Remove macro.
	(MEMCMP): Use void * instead of ptr_t.
	* string/memrchr.c (__ptr_t): Remove macro.
	(__memrchr): Use void * instead of ptr_t.
	* sysdeps/mach/hurd/dl-sysdep.c (__mmap): Likewise.
	* sysdeps/mach/hurd/mmap.c (__mmap): Likewise.
	* sysdeps/mach/hurd/mmap64.c (__mmap64): Likewise.
	* sysdeps/mach/mprotect.c (__mprotect): Likewise.
	* sysdeps/mach/msync.c (msync): Likewise.
	* sysdeps/mach/munmap.c (__munmap): Likewise.
	* sysdeps/mips/bits/setjmp.h (struct __jmp_buf_internal_tag):
	Likewise.
	* sysdeps/posix/getcwd.c (__getcwd): Likewise.
	* sysdeps/powerpc/powerpc32/memset.S (memset): Likewise.
	* sysdeps/powerpc/powerpc32/power4/memcpy.S (memcpy): Likewise.
	* sysdeps/powerpc/powerpc32/power4/memset.S (memset): Likewise.
	* sysdeps/powerpc/powerpc32/power6/memcpy.S (memcpy): Likewise.
	* sysdeps/powerpc/powerpc32/power6/memset.S (memset): Likewise.
	* sysdeps/powerpc/powerpc32/power7/memcpy.S (memcpy): Likewise.
	* sysdeps/powerpc/powerpc32/power7/mempcpy.S (__mempcpy):
	Likewise.
	* sysdeps/powerpc/powerpc32/power7/memset.S (memset): Likewise.
	* sysdeps/powerpc/powerpc64/memcpy.S (memcpy): Likewise.
	* sysdeps/powerpc/powerpc64/memset.S (memset): Likewise.
	* sysdeps/powerpc/powerpc64/power4/memcpy.S (memcpy): Likewise.
	* sysdeps/powerpc/powerpc64/power4/memset.S (memset): Likewise.
	* sysdeps/powerpc/powerpc64/power6/memcpy.S (memcpy): Likewise.
	* sysdeps/powerpc/powerpc64/power6/memset.S (memset): Likewise.
	* sysdeps/powerpc/powerpc64/power7/memcpy.S (memcpy): Likewise.
	* sysdeps/powerpc/powerpc64/power7/mempcpy.S (__mempcpy):
	Likewise.
	* sysdeps/powerpc/powerpc64/power7/memset.S (memset): Likewise.
	* sysdeps/powerpc/powerpc64/power8/memset.S (memset): Likewise.
	* sysdeps/tile/memcmp.c (__ptr_t): Remove macro.
	(MEMCMP): Use void * instead of ptr_t.
	* sysdeps/unix/sysv/linux/alpha/oldglob.c (old_glob_t): Likewise.
	* sysdeps/unix/sysv/linux/mmap.c (__mmap): Likewise.

diff --git a/malloc/mcheck.c b/malloc/mcheck.c
index 5128d68..e195861 100644
--- a/malloc/mcheck.c
+++ b/malloc/mcheck.c
@@ -28,12 +28,12 @@
 #endif
 
 /* Old hook values.  */
-static void (*old_free_hook)(__ptr_t ptr, const __ptr_t);
-static __ptr_t (*old_malloc_hook) (size_t size, const __ptr_t);
-static __ptr_t (*old_memalign_hook) (size_t alignment, size_t size,
-                                     const __ptr_t);
-static __ptr_t (*old_realloc_hook) (__ptr_t ptr, size_t size,
-                                    const __ptr_t);
+static void (*old_free_hook)(void *ptr, const void *);
+static void *(*old_malloc_hook) (size_t size, const void *);
+static void *(*old_memalign_hook) (size_t alignment, size_t size,
+				   const void *);
+static void *(*old_realloc_hook) (void *ptr, size_t size,
+				  const void *);
 
 /* Function to call when something awful happens.  */
 static void (*abortfunc) (enum mcheck_status);
@@ -51,7 +51,7 @@ struct hdr
   unsigned long int magic;      /* Magic number to check header integrity.  */
   struct hdr *prev;
   struct hdr *next;
-  __ptr_t block;                /* Real block allocated, for memalign.  */
+  void *block;                  /* Real block allocated, for memalign.  */
   unsigned long int magic2;     /* Extra, keeps us doubleword aligned.  */
 };
 
@@ -68,9 +68,9 @@ static int pedantic;
 # include <string.h>
 # define flood memset
 #else
-static void flood (__ptr_t, int, size_t);
+static void flood (void *, int, size_t);
 static void
-flood (__ptr_t ptr, int val, size_t size)
+flood (void *ptr, int val, size_t size)
 {
   char *cp = ptr;
   while (size--)
@@ -174,7 +174,7 @@ link_blk (struct hdr *hdr)
     }
 }
 static void
-freehook (__ptr_t ptr, const __ptr_t caller)
+freehook (void *ptr, const void *caller)
 {
   if (pedantic)
     mcheck_check_all ();
@@ -197,8 +197,8 @@ freehook (__ptr_t ptr, const __ptr_t caller)
   __free_hook = freehook;
 }
 
-static __ptr_t
-mallochook (size_t size, const __ptr_t caller)
+static void *
+mallochook (size_t size, const void *caller)
 {
   struct hdr *hdr;
 
@@ -226,13 +226,13 @@ mallochook (size_t size, const __ptr_t caller)
   hdr->block = hdr;
   hdr->magic2 = (uintptr_t) hdr ^ MAGICWORD;
   ((char *) &hdr[1])[size] = MAGICBYTE;
-  flood ((__ptr_t) (hdr + 1), MALLOCFLOOD, size);
-  return (__ptr_t) (hdr + 1);
+  flood ((void *) (hdr + 1), MALLOCFLOOD, size);
+  return (void *) (hdr + 1);
 }
 
-static __ptr_t
+static void *
 memalignhook (size_t alignment, size_t size,
-              const __ptr_t caller)
+              const void *caller)
 {
   struct hdr *hdr;
   size_t slop;
@@ -262,15 +262,15 @@ memalignhook (size_t alignment, size_t size,
 
   hdr->size = size;
   link_blk (hdr);
-  hdr->block = (__ptr_t) block;
+  hdr->block = (void *) block;
   hdr->magic2 = (uintptr_t) block ^ MAGICWORD;
   ((char *) &hdr[1])[size] = MAGICBYTE;
-  flood ((__ptr_t) (hdr + 1), MALLOCFLOOD, size);
-  return (__ptr_t) (hdr + 1);
+  flood ((void *) (hdr + 1), MALLOCFLOOD, size);
+  return (void *) (hdr + 1);
 }
 
-static __ptr_t
-reallochook (__ptr_t ptr, size_t size, const __ptr_t caller)
+static void *
+reallochook (void *ptr, size_t size, const void *caller)
 {
   if (size == 0)
     {
@@ -310,11 +310,11 @@ reallochook (__ptr_t ptr, size_t size, const __ptr_t caller)
   __memalign_hook = old_memalign_hook;
   __realloc_hook = old_realloc_hook;
   if (old_realloc_hook != NULL)
-    hdr = (struct hdr *) (*old_realloc_hook)((__ptr_t) hdr,
+    hdr = (struct hdr *) (*old_realloc_hook)((void *) hdr,
                                              sizeof (struct hdr) + size + 1,
                                              caller);
   else
-    hdr = (struct hdr *) realloc ((__ptr_t) hdr,
+    hdr = (struct hdr *) realloc ((void *) hdr,
                                   sizeof (struct hdr) + size + 1);
   __free_hook = freehook;
   __malloc_hook = mallochook;
@@ -330,7 +330,7 @@ reallochook (__ptr_t ptr, size_t size, const __ptr_t caller)
   ((char *) &hdr[1])[size] = MAGICBYTE;
   if (size > osize)
     flood ((char *) (hdr + 1) + osize, MALLOCFLOOD, size - osize);
-  return (__ptr_t) (hdr + 1);
+  return (void *) (hdr + 1);
 }
 
 __attribute__ ((noreturn))
@@ -410,7 +410,7 @@ mcheck_pedantic (void (*func) (enum mcheck_status))
 }
 
 enum mcheck_status
-mprobe (__ptr_t ptr)
+mprobe (void *ptr)
 {
   return mcheck_used ? checkhdr (((struct hdr *) ptr) - 1) : MCHECK_DISABLED;
 }
diff --git a/malloc/mtrace.c b/malloc/mtrace.c
index 02c53eb..d6eb497 100644
--- a/malloc/mtrace.c
+++ b/malloc/mtrace.c
@@ -50,15 +50,15 @@ static char *malloc_trace_buffer;
 __libc_lock_define_initialized (static, lock);
 
 /* Address to breakpoint on accesses to... */
-__ptr_t mallwatch;
+void *mallwatch;
 
 /* Old hook values.  */
-static void (*tr_old_free_hook) (__ptr_t ptr, const __ptr_t);
-static __ptr_t (*tr_old_malloc_hook) (size_t size, const __ptr_t);
-static __ptr_t (*tr_old_realloc_hook) (__ptr_t ptr, size_t size,
-                                       const __ptr_t);
-static __ptr_t (*tr_old_memalign_hook) (size_t __alignment, size_t __size,
-                                        const __ptr_t);
+static void (*tr_old_free_hook) (void *ptr, const void *);
+static void *(*tr_old_malloc_hook) (size_t size, const void *);
+static void *(*tr_old_realloc_hook) (void *ptr, size_t size,
+				     const void *);
+static void *(*tr_old_memalign_hook) (size_t __alignment, size_t __size,
+				      const void *);
 
 /* This function is called when the block being alloc'd, realloc'd, or
    freed has an address matching the variable "mallwatch".  In a debugger,
@@ -74,7 +74,7 @@ tr_break (void)
 libc_hidden_def (tr_break)
 
 static void internal_function
-tr_where (const __ptr_t caller, Dl_info *info)
+tr_where (const void *caller, Dl_info *info)
 {
   if (caller != NULL)
     {
@@ -87,12 +87,12 @@ tr_where (const __ptr_t caller, Dl_info *info)
               buf = alloca (len + 6 + 2 * sizeof (void *));
 
               buf[0] = '(';
-              __stpcpy (_fitoa (caller >= (const __ptr_t) info->dli_saddr
-                                ? caller - (const __ptr_t) info->dli_saddr
-                                : (const __ptr_t) info->dli_saddr - caller,
+              __stpcpy (_fitoa (caller >= (const void *) info->dli_saddr
+                                ? caller - (const void *) info->dli_saddr
+                                : (const void *) info->dli_saddr - caller,
                                 __stpcpy (__mempcpy (buf + 1, info->dli_sname,
                                                      len),
-                                          caller >= (__ptr_t) info->dli_saddr
+                                          caller >= (void *) info->dli_saddr
                                           ? "+0x" : "-0x"),
                                 16, 0),
                         ")");
@@ -108,7 +108,7 @@ tr_where (const __ptr_t caller, Dl_info *info)
 }
 
 static Dl_info *
-lock_and_info (const __ptr_t caller, Dl_info *mem)
+lock_and_info (const void *caller, Dl_info *mem)
 {
   if (caller == NULL)
     return NULL;
@@ -121,7 +121,7 @@ lock_and_info (const __ptr_t caller, Dl_info *mem)
 }
 
 static void
-tr_freehook (__ptr_t ptr, const __ptr_t caller)
+tr_freehook (void *ptr, const void *caller)
 {
   if (ptr == NULL)
     return;
@@ -146,19 +146,19 @@ tr_freehook (__ptr_t ptr, const __ptr_t caller)
   __libc_lock_unlock (lock);
 }
 
-static __ptr_t
-tr_mallochook (size_t size, const __ptr_t caller)
+static void *
+tr_mallochook (size_t size, const void *caller)
 {
-  __ptr_t hdr;
+  void *hdr;
 
   Dl_info mem;
   Dl_info *info = lock_and_info (caller, &mem);
 
   __malloc_hook = tr_old_malloc_hook;
   if (tr_old_malloc_hook != NULL)
-    hdr = (__ptr_t) (*tr_old_malloc_hook)(size, caller);
+    hdr = (void *) (*tr_old_malloc_hook)(size, caller);
   else
-    hdr = (__ptr_t) malloc (size);
+    hdr = (void *) malloc (size);
   __malloc_hook = tr_mallochook;
 
   tr_where (caller, info);
@@ -173,10 +173,10 @@ tr_mallochook (size_t size, const __ptr_t caller)
   return hdr;
 }
 
-static __ptr_t
-tr_reallochook (__ptr_t ptr, size_t size, const __ptr_t caller)
+static void *
+tr_reallochook (void *ptr, size_t size, const void *caller)
 {
-  __ptr_t hdr;
+  void *hdr;
 
   if (ptr == mallwatch)
     tr_break ();
@@ -188,9 +188,9 @@ tr_reallochook (__ptr_t ptr, size_t size, const __ptr_t caller)
   __malloc_hook = tr_old_malloc_hook;
   __realloc_hook = tr_old_realloc_hook;
   if (tr_old_realloc_hook != NULL)
-    hdr = (__ptr_t) (*tr_old_realloc_hook)(ptr, size, caller);
+    hdr = (void *) (*tr_old_realloc_hook)(ptr, size, caller);
   else
-    hdr = (__ptr_t) realloc (ptr, size);
+    hdr = (void *) realloc (ptr, size);
   __free_hook = tr_freehook;
   __malloc_hook = tr_mallochook;
   __realloc_hook = tr_reallochook;
@@ -221,10 +221,10 @@ tr_reallochook (__ptr_t ptr, size_t size, const __ptr_t caller)
   return hdr;
 }
 
-static __ptr_t
-tr_memalignhook (size_t alignment, size_t size, const __ptr_t caller)
+static void *
+tr_memalignhook (size_t alignment, size_t size, const void *caller)
 {
-  __ptr_t hdr;
+  void *hdr;
 
   Dl_info mem;
   Dl_info *info = lock_and_info (caller, &mem);
@@ -232,9 +232,9 @@ tr_memalignhook (size_t alignment, size_t size, const __ptr_t caller)
   __memalign_hook = tr_old_memalign_hook;
   __malloc_hook = tr_old_malloc_hook;
   if (tr_old_memalign_hook != NULL)
-    hdr = (__ptr_t) (*tr_old_memalign_hook)(alignment, size, caller);
+    hdr = (void *) (*tr_old_memalign_hook)(alignment, size, caller);
   else
-    hdr = (__ptr_t) memalign (alignment, size);
+    hdr = (void *) memalign (alignment, size);
   __memalign_hook = tr_memalignhook;
   __malloc_hook = tr_mallochook;
 
diff --git a/misc/err.h b/misc/err.h
index d893a25..ea12845 100644
--- a/misc/err.h
+++ b/misc/err.h
@@ -24,7 +24,7 @@
 #define	__need___va_list
 #include <stdarg.h>
 #ifndef	__GNUC_VA_LIST
-# define __gnuc_va_list	__ptr_t
+# define __gnuc_va_list	void *
 #endif
 
 __BEGIN_DECLS
diff --git a/misc/mmap.c b/misc/mmap.c
index 4172d76..2c4ed3e 100644
--- a/misc/mmap.c
+++ b/misc/mmap.c
@@ -28,8 +28,8 @@
    for errors (in which case `errno' is set).  A successful `mmap' call
    deallocates any previous mapping for the affected region.  */
 
-__ptr_t
-__mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
+void *
+__mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
 {
   __set_errno (ENOSYS);
   return MAP_FAILED;
diff --git a/misc/mmap64.c b/misc/mmap64.c
index 845b847..ccd2864 100644
--- a/misc/mmap64.c
+++ b/misc/mmap64.c
@@ -28,8 +28,8 @@
    for errors (in which case `errno' is set).  A successful `mmap' call
    deallocates any previous mapping for the affected region.  */
 
-__ptr_t
-__mmap64 (__ptr_t addr, size_t len, int prot, int flags, int fd,
+void *
+__mmap64 (void *addr, size_t len, int prot, int flags, int fd,
 	  __off64_t offset)
 {
   off_t small_offset = (off_t) offset;
diff --git a/misc/mprotect.c b/misc/mprotect.c
index 2711064..9161123 100644
--- a/misc/mprotect.c
+++ b/misc/mprotect.c
@@ -24,7 +24,7 @@
    (and sets errno).  */
 
 int
-__mprotect (__ptr_t addr, size_t len, int prot)
+__mprotect (void *addr, size_t len, int prot)
 {
   __set_errno (ENOSYS);
   return -1;
diff --git a/misc/msync.c b/misc/msync.c
index 361185e..4f79c02 100644
--- a/misc/msync.c
+++ b/misc/msync.c
@@ -24,7 +24,7 @@
    unpredictable before this is done.  */
 
 int
-msync (__ptr_t addr, size_t len, int flags)
+msync (void *addr, size_t len, int flags)
 {
   __set_errno (ENOSYS);
   return -1;
diff --git a/misc/munmap.c b/misc/munmap.c
index b3ba789..525c8d7 100644
--- a/misc/munmap.c
+++ b/misc/munmap.c
@@ -23,7 +23,7 @@
    bytes.  Returns 0 if successful, -1 for errors (and sets errno).  */
 
 int
-__munmap (__ptr_t addr, size_t len)
+__munmap (void *addr, size_t len)
 {
   __set_errno (ENOSYS);
   return -1;
diff --git a/posix/posix_madvise.c b/posix/posix_madvise.c
index 19f2bad..e289ecb 100644
--- a/posix/posix_madvise.c
+++ b/posix/posix_madvise.c
@@ -23,7 +23,7 @@
    for the region starting at ADDR and extending LEN bytes.  */
 
 int
-posix_madvise (__ptr_t addr, size_t len, int advice)
+posix_madvise (void *addr, size_t len, int advice)
 {
   return ENOSYS;
 }
diff --git a/socket/send.c b/socket/send.c
index 7217ab8..f6c7c25 100644
--- a/socket/send.c
+++ b/socket/send.c
@@ -20,7 +20,7 @@
 
 /* Send N bytes of BUF to socket FD.  Returns the number sent or -1.  */
 ssize_t
-__send (int fd, const __ptr_t buf, size_t n, int flags)
+__send (int fd, const void *buf, size_t n, int flags)
 {
   __set_errno (ENOSYS);
   return -1;
diff --git a/socket/sendto.c b/socket/sendto.c
index 9db7214..c7641d5 100644
--- a/socket/sendto.c
+++ b/socket/sendto.c
@@ -21,7 +21,7 @@
 /* Send N bytes of BUF on socket FD to peer at address ADDR (which is
    ADDR_LEN bytes long).  Returns the number sent, or -1 for errors.  */
 ssize_t
-__sendto (int fd, const __ptr_t buf, size_t n, int flags,
+__sendto (int fd, const void *buf, size_t n, int flags,
 	  __CONST_SOCKADDR_ARG addr, socklen_t addr_len)
 {
   __set_errno (ENOSYS);
diff --git a/socket/setsockopt.c b/socket/setsockopt.c
index 4b09bea..346dfa7 100644
--- a/socket/setsockopt.c
+++ b/socket/setsockopt.c
@@ -22,7 +22,7 @@
    to *OPTVAL (which is OPTLEN bytes long).
    Returns 0 on success, -1 for errors.  */
 int
-__setsockopt (int fd, int level, int optname, const __ptr_t optval,
+__setsockopt (int fd, int level, int optname, const void *optval,
 	      socklen_t optlen)
 {
   __set_errno (ENOSYS);
diff --git a/string/memcmp.c b/string/memcmp.c
index c53ab31..abd4f24 100644
--- a/string/memcmp.c
+++ b/string/memcmp.c
@@ -20,9 +20,6 @@
 # include "config.h"
 #endif
 
-#undef	__ptr_t
-#define __ptr_t	void *
-
 #if defined HAVE_STRING_H || defined _LIBC
 # include <string.h>
 #endif
@@ -301,7 +298,7 @@ memcmp_not_common_alignment (long int srcp1, long int srcp2, size_t len)
 }
 
 int
-MEMCMP (const __ptr_t s1, const __ptr_t s2, size_t len)
+MEMCMP (const void *s1, const void *s2, size_t len)
 {
   op_t a0;
   op_t b0;
diff --git a/string/memrchr.c b/string/memrchr.c
index 0ecfe08..f9e49a4 100644
--- a/string/memrchr.c
+++ b/string/memrchr.c
@@ -27,9 +27,6 @@
 # include <config.h>
 #endif
 
-#undef __ptr_t
-#define __ptr_t void *
-
 #if defined _LIBC
 # include <string.h>
 # include <memcopy.h>
@@ -55,13 +52,13 @@
 #endif
 
 /* Search no more than N bytes of S for C.  */
-__ptr_t
+void *
 #ifndef MEMRCHR
 __memrchr
 #else
 MEMRCHR
 #endif
-     (const __ptr_t s, int c_in, size_t n)
+     (const void *s, int c_in, size_t n)
 {
   const unsigned char *char_ptr;
   const unsigned long int *longword_ptr;
@@ -77,7 +74,7 @@ MEMRCHR
 		 & (sizeof (longword) - 1)) != 0;
        --n)
     if (*--char_ptr == c)
-      return (__ptr_t) char_ptr;
+      return (void *) char_ptr;
 
   /* All these elucidatory comments refer to 4-byte longwords,
      but the theory applies equally well to 8-byte longwords.  */
@@ -162,22 +159,22 @@ MEMRCHR
 
 #if LONG_MAX > 2147483647
 	  if (cp[7] == c)
-	    return (__ptr_t) &cp[7];
+	    return (void *) &cp[7];
 	  if (cp[6] == c)
-	    return (__ptr_t) &cp[6];
+	    return (void *) &cp[6];
 	  if (cp[5] == c)
-	    return (__ptr_t) &cp[5];
+	    return (void *) &cp[5];
 	  if (cp[4] == c)
-	    return (__ptr_t) &cp[4];
+	    return (void *) &cp[4];
 #endif
 	  if (cp[3] == c)
-	    return (__ptr_t) &cp[3];
+	    return (void *) &cp[3];
 	  if (cp[2] == c)
-	    return (__ptr_t) &cp[2];
+	    return (void *) &cp[2];
 	  if (cp[1] == c)
-	    return (__ptr_t) &cp[1];
+	    return (void *) &cp[1];
 	  if (cp[0] == c)
-	    return (__ptr_t) cp;
+	    return (void *) cp;
 	}
 
       n -= sizeof (longword);
@@ -188,7 +185,7 @@ MEMRCHR
   while (n-- > 0)
     {
       if (*--char_ptr == c)
-	return (__ptr_t) char_ptr;
+	return (void *) char_ptr;
     }
 
   return 0;
diff --git a/sysdeps/mach/hurd/dl-sysdep.c b/sysdeps/mach/hurd/dl-sysdep.c
index 4f274b4..3794aed 100644
--- a/sysdeps/mach/hurd/dl-sysdep.c
+++ b/sysdeps/mach/hurd/dl-sysdep.c
@@ -453,8 +453,8 @@ __libc_lseek64 (int fd, off64_t offset, int whence)
   return offset;
 }
 
-__ptr_t weak_function
-__mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
+void *weak_function
+__mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
 {
   error_t err;
   vm_prot_t vmprot;
@@ -512,7 +512,7 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
 
   if (err)
     return __hurd_fail (err), MAP_FAILED;
-  return (__ptr_t) mapaddr;
+  return (void *) mapaddr;
 }
 
 int weak_function
diff --git a/sysdeps/mach/hurd/mmap.c b/sysdeps/mach/hurd/mmap.c
index dbd718a..72706c3 100644
--- a/sysdeps/mach/hurd/mmap.c
+++ b/sysdeps/mach/hurd/mmap.c
@@ -26,12 +26,12 @@
    is nonzero, it is the desired mapping address.  If the MAP_FIXED bit is
    set in FLAGS, the mapping will be at ADDR exactly (which must be
    page-aligned); otherwise the system chooses a convenient nearby address.
-   The return value is the actual mapping address chosen or (__ptr_t) -1
+   The return value is the actual mapping address chosen or (void *) -1
    for errors (in which case `errno' is set).  A successful `mmap' call
    deallocates any previous mapping for the affected region.  */
 
-__ptr_t
-__mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
+void *
+__mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
 {
   error_t err;
   vm_prot_t vmprot;
@@ -42,7 +42,7 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
 
   /* ADDR and OFFSET must be page-aligned.  */
   if ((mapaddr & (__vm_page_size - 1)) || (offset & (__vm_page_size - 1)))
-    return (__ptr_t) (long int) __hurd_fail (EINVAL);
+    return (void *) (long int) __hurd_fail (EINVAL);
 
   if ((flags & (MAP_TYPE|MAP_INHERIT)) == MAP_ANON
       && prot == (PROT_READ|PROT_WRITE)) /* cf VM_PROT_DEFAULT */
@@ -64,7 +64,7 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
 	    err = __vm_allocate (__mach_task_self (), &mapaddr, len, 1);
 	}
 
-      return err ? (__ptr_t) (long int) __hurd_fail (err) : (__ptr_t) mapaddr;
+      return err ? (void *) (long int) __hurd_fail (err) : (void *) mapaddr;
     }
 
   vmprot = VM_PROT_NONE;
@@ -78,7 +78,7 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
   switch (flags & MAP_TYPE)
     {
     default:
-      return (__ptr_t) (long int) __hurd_fail (EINVAL);
+      return (void *) (long int) __hurd_fail (EINVAL);
 
     case MAP_ANON:
       memobj = MACH_PORT_NULL;
@@ -92,7 +92,7 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
 	  {
 	    if (err == MIG_BAD_ID || err == EOPNOTSUPP || err == ENOSYS)
 	      err = ENODEV;	/* File descriptor doesn't support mmap.  */
-	    return (__ptr_t) (long int) __hurd_dfail (fd, err);
+	    return (void *) (long int) __hurd_dfail (fd, err);
 	  }
 	switch (prot & (PROT_READ|PROT_WRITE))
 	  {
@@ -129,7 +129,7 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
 	    else
 	      {
 		__mach_port_deallocate (__mach_task_self (), wobj);
-		return (__ptr_t) (long int) __hurd_fail (EACCES);
+		return (void *) (long int) __hurd_fail (EACCES);
 	      }
 	    break;
 	  default:
@@ -180,9 +180,9 @@ __mmap (__ptr_t addr, size_t len, int prot, int flags, int fd, off_t offset)
     __mach_port_deallocate (__mach_task_self (), memobj);
 
   if (err)
-    return (__ptr_t) (long int) __hurd_fail (err);
+    return (void *) (long int) __hurd_fail (err);
 
-  return (__ptr_t) mapaddr;
+  return (void *) mapaddr;
 }
 
 weak_alias (__mmap, mmap)
diff --git a/sysdeps/mach/hurd/mmap64.c b/sysdeps/mach/hurd/mmap64.c
index ced469d..282b752 100644
--- a/sysdeps/mach/hurd/mmap64.c
+++ b/sysdeps/mach/hurd/mmap64.c
@@ -28,8 +28,8 @@
    for errors (in which case `errno' is set).  A successful `mmap' call
    deallocates any previous mapping for the affected region.  */
 
-__ptr_t
-__mmap64 (__ptr_t addr, size_t len, int prot, int flags, int fd,
+void *
+__mmap64 (void *addr, size_t len, int prot, int flags, int fd,
 	  __off64_t offset)
 {
   vm_offset_t small_offset = (vm_offset_t) offset;
diff --git a/sysdeps/mach/mprotect.c b/sysdeps/mach/mprotect.c
index 477017d..84a7285 100644
--- a/sysdeps/mach/mprotect.c
+++ b/sysdeps/mach/mprotect.c
@@ -25,7 +25,7 @@
    (and sets errno).  */
 
 int
-__mprotect (__ptr_t addr, size_t len, int prot)
+__mprotect (void *addr, size_t len, int prot)
 {
   kern_return_t err;
   vm_prot_t vmprot;
diff --git a/sysdeps/mach/msync.c b/sysdeps/mach/msync.c
index f845532..b908fed 100644
--- a/sysdeps/mach/msync.c
+++ b/sysdeps/mach/msync.c
@@ -33,7 +33,7 @@
    unpredictable before this is done.  */
 
 int
-msync (__ptr_t addr, size_t len, int flags)
+msync (void *addr, size_t len, int flags)
 {
   vm_sync_t sync_flags = 0;
   kern_return_t err;
diff --git a/sysdeps/mach/munmap.c b/sysdeps/mach/munmap.c
index b5fdaea..4a98613 100644
--- a/sysdeps/mach/munmap.c
+++ b/sysdeps/mach/munmap.c
@@ -24,7 +24,7 @@
    bytes.  Returns 0 if successful, -1 for errors (and sets errno).  */
 
 int
-__munmap (__ptr_t addr, size_t len)
+__munmap (void *addr, size_t len)
 {
   kern_return_t err;
 
diff --git a/sysdeps/mips/bits/setjmp.h b/sysdeps/mips/bits/setjmp.h
index 91c6450..0b96437 100644
--- a/sysdeps/mips/bits/setjmp.h
+++ b/sysdeps/mips/bits/setjmp.h
@@ -29,19 +29,19 @@ typedef struct __jmp_buf_internal_tag
   {
 #if _MIPS_SIM == _ABIO32
     /* Program counter.  */
-    __ptr_t __pc;
+    void *__pc;
 
     /* Stack pointer.  */
-    __ptr_t __sp;
+    void *__sp;
 
     /* Callee-saved registers s0 through s7.  */
     int __regs[8];
 
     /* The frame pointer.  */
-    __ptr_t __fp;
+    void *__fp;
 
     /* The global pointer.  */
-    __ptr_t __gp;
+    void *__gp;
 #else
     /* Program counter.  */
     __extension__ long long __pc;
diff --git a/sysdeps/posix/getcwd.c b/sysdeps/posix/getcwd.c
index eb1706a..75bcfd2 100644
--- a/sysdeps/posix/getcwd.c
+++ b/sysdeps/posix/getcwd.c
@@ -318,7 +318,7 @@ __getcwd (char *buf, size_t size)
 		}
 	      else
 		{
-		  new = realloc ((__ptr_t) dotlist, dotsize * 2 + 1);
+		  new = realloc ((void *) dotlist, dotsize * 2 + 1);
 		  if (new == NULL)
 		    goto lose;
 		  dotp = &new[dotsize];
@@ -492,7 +492,7 @@ __getcwd (char *buf, size_t size)
 
 #ifndef __ASSUME_ATFCTS
   if (dotlist != dots)
-    free ((__ptr_t) dotlist);
+    free ((void *) dotlist);
 #endif
 
   size_t used = path + allocated - pathp;
@@ -516,7 +516,7 @@ __getcwd (char *buf, size_t size)
   int save_errno = errno;
 #ifndef __ASSUME_ATFCTS
   if (dotlist != dots)
-    free ((__ptr_t) dotlist);
+    free ((void *) dotlist);
 #endif
   if (dirstream != NULL)
     __closedir (dirstream);
diff --git a/sysdeps/powerpc/powerpc32/memset.S b/sysdeps/powerpc/powerpc32/memset.S
index 8913a02..be20bb6 100644
--- a/sysdeps/powerpc/powerpc32/memset.S
+++ b/sysdeps/powerpc/powerpc32/memset.S
@@ -18,7 +18,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
+/* void * [r3] memset (void *s [r3], int c [r4], size_t n [r5]));
    Returns 's'.
 
    The memset is done in four sizes: byte (8 bits), word (32 bits),
diff --git a/sysdeps/powerpc/powerpc32/power4/memcpy.S b/sysdeps/powerpc/powerpc32/power4/memcpy.S
index 37bc712..886b83c 100644
--- a/sysdeps/powerpc/powerpc32/power4/memcpy.S
+++ b/sysdeps/powerpc/powerpc32/power4/memcpy.S
@@ -18,7 +18,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
+/* void * [r3] memcpy (void *dst [r3], void *src [r4], size_t len [r5]);
    Returns 'dst'.
 
    Memcpy handles short copies (< 32-bytes) using a binary move blocks
diff --git a/sysdeps/powerpc/powerpc32/power4/memset.S b/sysdeps/powerpc/powerpc32/power4/memset.S
index 25319f7..62cd33f 100644
--- a/sysdeps/powerpc/powerpc32/power4/memset.S
+++ b/sysdeps/powerpc/powerpc32/power4/memset.S
@@ -18,7 +18,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
+/* void * [r3] memset (void *s [r3], int c [r4], size_t n [r5]));
    Returns 's'.
 
    The memset is done in three sizes: byte (8 bits), word (32 bits),
diff --git a/sysdeps/powerpc/powerpc32/power6/memcpy.S b/sysdeps/powerpc/powerpc32/power6/memcpy.S
index 81b62cb..0bf4d3f 100644
--- a/sysdeps/powerpc/powerpc32/power6/memcpy.S
+++ b/sysdeps/powerpc/powerpc32/power6/memcpy.S
@@ -18,7 +18,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
+/* void * [r3] memcpy (void *dst [r3], void *src [r4], size_t len [r5]);
    Returns 'dst'.
 
    Memcpy handles short copies (< 32-bytes) using a binary move blocks
diff --git a/sysdeps/powerpc/powerpc32/power6/memset.S b/sysdeps/powerpc/powerpc32/power6/memset.S
index f221c32..8d17491 100644
--- a/sysdeps/powerpc/powerpc32/power6/memset.S
+++ b/sysdeps/powerpc/powerpc32/power6/memset.S
@@ -18,7 +18,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
+/* void * [r3] memset (void *s [r3], int c [r4], size_t n [r5]));
    Returns 's'.
 
    The memset is done in three sizes: byte (8 bits), word (32 bits),
diff --git a/sysdeps/powerpc/powerpc32/power7/memcpy.S b/sysdeps/powerpc/powerpc32/power7/memcpy.S
index 8e33c1d..7332b72 100644
--- a/sysdeps/powerpc/powerpc32/power7/memcpy.S
+++ b/sysdeps/powerpc/powerpc32/power7/memcpy.S
@@ -19,7 +19,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
+/* void * [r3] memcpy (void *dst [r3], void *src [r4], size_t len [r5]);
    Returns 'dst'.  */
 
 	.machine  power7
diff --git a/sysdeps/powerpc/powerpc32/power7/mempcpy.S b/sysdeps/powerpc/powerpc32/power7/mempcpy.S
index 1682fbc..10714c9 100644
--- a/sysdeps/powerpc/powerpc32/power7/mempcpy.S
+++ b/sysdeps/powerpc/powerpc32/power7/mempcpy.S
@@ -19,7 +19,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] __mempcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
+/* void * [r3] __mempcpy (void *dst [r3], void *src [r4], size_t len [r5]);
 	Returns 'dst' + 'len'.  */
 
 	.machine  power7
diff --git a/sysdeps/powerpc/powerpc32/power7/memset.S b/sysdeps/powerpc/powerpc32/power7/memset.S
index b431f50..520b9ce 100644
--- a/sysdeps/powerpc/powerpc32/power7/memset.S
+++ b/sysdeps/powerpc/powerpc32/power7/memset.S
@@ -19,7 +19,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
+/* void * [r3] memset (void *s [r3], int c [r4], size_t n [r5]));
    Returns 's'.  */
 
 	.machine  power7
diff --git a/sysdeps/powerpc/powerpc64/memcpy.S b/sysdeps/powerpc/powerpc64/memcpy.S
index b6a1105..ba80908 100644
--- a/sysdeps/powerpc/powerpc64/memcpy.S
+++ b/sysdeps/powerpc/powerpc64/memcpy.S
@@ -18,7 +18,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
+/* void * [r3] memcpy (void *dst [r3], void *src [r4], size_t len [r5]);
    Returns 'dst'.
 
    Memcpy handles short copies (< 32-bytes) using a binary move blocks
diff --git a/sysdeps/powerpc/powerpc64/memset.S b/sysdeps/powerpc/powerpc64/memset.S
index 34db4d7..ae4ffb1 100644
--- a/sysdeps/powerpc/powerpc64/memset.S
+++ b/sysdeps/powerpc/powerpc64/memset.S
@@ -24,7 +24,7 @@
 	.section	".text"
 	.align 2
 
-/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
+/* void * [r3] memset (void *s [r3], int c [r4], size_t n [r5]));
    Returns 's'.
 
    The memset is done in three sizes: byte (8 bits), word (32 bits),
diff --git a/sysdeps/powerpc/powerpc64/power4/memcpy.S b/sysdeps/powerpc/powerpc64/power4/memcpy.S
index 4bec39c..26577ba 100644
--- a/sysdeps/powerpc/powerpc64/power4/memcpy.S
+++ b/sysdeps/powerpc/powerpc64/power4/memcpy.S
@@ -18,7 +18,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
+/* void * [r3] memcpy (void *dst [r3], void *src [r4], size_t len [r5]);
    Returns 'dst'.
 
    Memcpy handles short copies (< 32-bytes) using a binary move blocks
diff --git a/sysdeps/powerpc/powerpc64/power4/memset.S b/sysdeps/powerpc/powerpc64/power4/memset.S
index 0aafce7..c44f3de 100644
--- a/sysdeps/powerpc/powerpc64/power4/memset.S
+++ b/sysdeps/powerpc/powerpc64/power4/memset.S
@@ -18,7 +18,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
+/* void * [r3] memset (void *s [r3], int c [r4], size_t n [r5]));
    Returns 's'.
 
    The memset is done in three sizes: byte (8 bits), word (32 bits),
diff --git a/sysdeps/powerpc/powerpc64/power6/memcpy.S b/sysdeps/powerpc/powerpc64/power6/memcpy.S
index ac177ca..342bac6 100644
--- a/sysdeps/powerpc/powerpc64/power6/memcpy.S
+++ b/sysdeps/powerpc/powerpc64/power6/memcpy.S
@@ -18,7 +18,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
+/* void * [r3] memcpy (void *dst [r3], void *src [r4], size_t len [r5]);
    Returns 'dst'.
 
    Memcpy handles short copies (< 32-bytes) using a binary move blocks
diff --git a/sysdeps/powerpc/powerpc64/power6/memset.S b/sysdeps/powerpc/powerpc64/power6/memset.S
index 8bbb8c4..37c3f2f 100644
--- a/sysdeps/powerpc/powerpc64/power6/memset.S
+++ b/sysdeps/powerpc/powerpc64/power6/memset.S
@@ -18,7 +18,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
+/* void * [r3] memset (void *s [r3], int c [r4], size_t n [r5]));
    Returns 's'.
 
    The memset is done in three sizes: byte (8 bits), word (32 bits),
diff --git a/sysdeps/powerpc/powerpc64/power7/memcpy.S b/sysdeps/powerpc/powerpc64/power7/memcpy.S
index 641c7e2..1ccbc2e 100644
--- a/sysdeps/powerpc/powerpc64/power7/memcpy.S
+++ b/sysdeps/powerpc/powerpc64/power7/memcpy.S
@@ -20,7 +20,7 @@
 #include <sysdep.h>
 
 
-/* __ptr_t [r3] memcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
+/* void * [r3] memcpy (void *dst [r3], void *src [r4], size_t len [r5]);
    Returns 'dst'.  */
 
 #ifndef MEMCPY
diff --git a/sysdeps/powerpc/powerpc64/power7/mempcpy.S b/sysdeps/powerpc/powerpc64/power7/mempcpy.S
index 904fac5..1883907 100644
--- a/sysdeps/powerpc/powerpc64/power7/mempcpy.S
+++ b/sysdeps/powerpc/powerpc64/power7/mempcpy.S
@@ -20,7 +20,7 @@
 #include <sysdep.h>
 
 
-/* __ptr_t [r3] __mempcpy (__ptr_t dst [r3], __ptr_t src [r4], size_t len [r5]);
+/* void * [r3] __mempcpy (void *dst [r3], void *src [r4], size_t len [r5]);
     Returns 'dst' + 'len'.  */
 
 #ifndef MEMPCPY
diff --git a/sysdeps/powerpc/powerpc64/power7/memset.S b/sysdeps/powerpc/powerpc64/power7/memset.S
index f2e2fa1..c90ae24 100644
--- a/sysdeps/powerpc/powerpc64/power7/memset.S
+++ b/sysdeps/powerpc/powerpc64/power7/memset.S
@@ -19,7 +19,7 @@
 
 #include <sysdep.h>
 
-/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
+/* void * [r3] memset (void *s [r3], int c [r4], size_t n [r5]));
    Returns 's'.  */
 
 #ifndef MEMSET
diff --git a/sysdeps/powerpc/powerpc64/power8/memset.S b/sysdeps/powerpc/powerpc64/power8/memset.S
index 7ad3bb1..369b958 100644
--- a/sysdeps/powerpc/powerpc64/power8/memset.S
+++ b/sysdeps/powerpc/powerpc64/power8/memset.S
@@ -20,7 +20,7 @@
 
 #define MTVSRD_V1_R4  .long 0x7c240166     /* mtvsrd  v1,r4  */
 
-/* __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
+/* void * [r3] memset (void *s [r3], int c [r4], size_t n [r5]));
    Returns 's'.  */
 
 #ifndef MEMSET
diff --git a/sysdeps/tile/memcmp.c b/sysdeps/tile/memcmp.c
index 83c62be..c3ed88b 100644
--- a/sysdeps/tile/memcmp.c
+++ b/sysdeps/tile/memcmp.c
@@ -19,9 +19,6 @@
 # include "config.h"
 #endif
 
-#undef	__ptr_t
-#define __ptr_t	void *
-
 #if defined HAVE_STRING_H || defined _LIBC
 # include <string.h>
 #endif
@@ -294,7 +291,7 @@ memcmp_not_common_alignment (long int srcp1, long int srcp2, size_t len)
 }
 
 int
-MEMCMP (const __ptr_t s1, const __ptr_t s2, size_t len)
+MEMCMP (const void *s1, const void *s2, size_t len)
 {
   op_t a0;
   op_t b0;
diff --git a/sysdeps/unix/sysv/linux/alpha/oldglob.c b/sysdeps/unix/sysv/linux/alpha/oldglob.c
index edd6d47..988c92b 100644
--- a/sysdeps/unix/sysv/linux/alpha/oldglob.c
+++ b/sysdeps/unix/sysv/linux/alpha/oldglob.c
@@ -36,7 +36,7 @@ typedef struct
        are used instead of the normal file access functions.  */
     void (*gl_closedir) (void *);
     struct dirent *(*gl_readdir) (void *);
-    __ptr_t (*gl_opendir) (const char *);
+    void *(*gl_opendir) (const char *);
     int (*gl_lstat) (const char *, struct stat *);
     int (*gl_stat) (const char *, struct stat *);
   } old_glob_t;
diff --git a/sysdeps/unix/sysv/linux/mmap.c b/sysdeps/unix/sysv/linux/mmap.c
index 98c2f88..2024bee 100644
--- a/sysdeps/unix/sysv/linux/mmap.c
+++ b/sysdeps/unix/sysv/linux/mmap.c
@@ -36,7 +36,7 @@ __mmap (void *addr, size_t len, int prot, int flags, int fd, off_t offset)
   MMAP_CHECK_PAGE_UNIT ();
 
   if (offset & MMAP_OFF_LOW_MASK)
-    return (__ptr_t) INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
+    return (void *) INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL);
 
 #ifdef __NR_mmap2
   return (void *) MMAP_CALL (mmap2, addr, len, prot, flags, fd,