18 files changed, 50 insertions, 48 deletions
diff --git a/newlib/libc/syscalls/sysclose.c b/newlib/libc/syscalls/sysclose.c
index 632364ac1..90f321fc0 100644
--- a/newlib/libc/syscalls/sysclose.c
+++ b/newlib/libc/syscalls/sysclose.c
@@ -3,8 +3,8 @@
 #include <reent.h>
 
 int
-close (fd)
-     int fd;
+_DEFUN (close, (fd),
+     int fd)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _close_r (_REENT, fd);
diff --git a/newlib/libc/syscalls/sysexecve.c b/newlib/libc/syscalls/sysexecve.c
index c5050472c..a43b47a0b 100644
--- a/newlib/libc/syscalls/sysexecve.c
+++ b/newlib/libc/syscalls/sysexecve.c
@@ -3,10 +3,10 @@
 #include <reent.h>
 
 int
-execve (name, argv, env)
-     char *name;
-     char **argv;
-     char **env;
+_DEFUN (execve, (name, argv, env),
+     char *name _AND
+     char **argv _AND
+     char **env)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _execve_r (_REENT, name, argv, env);
diff --git a/newlib/libc/syscalls/sysfcntl.c b/newlib/libc/syscalls/sysfcntl.c
index d72403f6a..5e6de7e77 100644
--- a/newlib/libc/syscalls/sysfcntl.c
+++ b/newlib/libc/syscalls/sysfcntl.c
@@ -5,10 +5,10 @@
 #include <errno.h>
 
 int
-fcntl (fd, flag, arg)
-     int fd;
-     int flag;
-     int arg;
+_DEFUN (fcntl, (fd, flag, arg),
+     int fd _AND
+     int flag _AND
+     int arg)
 {
 #ifdef HAVE_FCNTL
 # ifdef REENTRANT_SYSCALLS_PROVIDED
diff --git a/newlib/libc/syscalls/sysfork.c b/newlib/libc/syscalls/sysfork.c
index 9fe319ff0..96d23c7dd 100644
--- a/newlib/libc/syscalls/sysfork.c
+++ b/newlib/libc/syscalls/sysfork.c
@@ -7,7 +7,7 @@
 #include <reent.h>
 
 int
-fork ()
+_DEFUN_VOID (fork)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _fork_r (_REENT);
diff --git a/newlib/libc/syscalls/sysfstat.c b/newlib/libc/syscalls/sysfstat.c
index f167b3cd8..7d446e825 100644
--- a/newlib/libc/syscalls/sysfstat.c
+++ b/newlib/libc/syscalls/sysfstat.c
@@ -4,9 +4,9 @@
 #include <unistd.h>
 
 int
-fstat (fd, pstat)
-     int fd;
-     struct stat *pstat;
+_DEFUN (fstat, (fd, pstat),
+     int fd _AND
+     struct stat *pstat)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _fstat_r (_REENT, fd, pstat);
diff --git a/newlib/libc/syscalls/sysgetpid.c b/newlib/libc/syscalls/sysgetpid.c
index d7f75064d..794f5194b 100644
--- a/newlib/libc/syscalls/sysgetpid.c
+++ b/newlib/libc/syscalls/sysgetpid.c
@@ -3,7 +3,7 @@
 #include <reent.h>
 
 int
-getpid ()
+_DEFUN_VOID (getpid)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _getpid_r (_REENT);
diff --git a/newlib/libc/syscalls/sysgettod.c b/newlib/libc/syscalls/sysgettod.c
index 24849d5ce..9208a30b9 100644
--- a/newlib/libc/syscalls/sysgettod.c
+++ b/newlib/libc/syscalls/sysgettod.c
@@ -8,9 +8,9 @@ struct timeval;
 struct timezone;
 
 int
-gettimeofday (ptimeval, ptimezone)
-     struct timeval *ptimeval;
-     struct timezone *ptimezone;
+_DEFUN (gettimeofday, (ptimeval, ptimezone),
+     struct timeval *ptimeval _AND
+     struct timezone *ptimezone)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _gettimeofday_r (_REENT, ptimeval, ptimezone);
diff --git a/newlib/libc/syscalls/syskill.c b/newlib/libc/syscalls/syskill.c
index 4ee2f64df..15cfecba8 100644
--- a/newlib/libc/syscalls/syskill.c
+++ b/newlib/libc/syscalls/syskill.c
@@ -3,9 +3,9 @@
 #include <reent.h>
 
 int
-kill (pid, sig)
-     int pid;
-     int sig;
+_DEFUN (kill, (pid, sig),
+     int pid _AND
+     int sig)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _kill_r (_REENT, pid, sig);
diff --git a/newlib/libc/syscalls/syslink.c b/newlib/libc/syscalls/syslink.c
index 6abe184ea..df235eeaa 100644
--- a/newlib/libc/syscalls/syslink.c
+++ b/newlib/libc/syscalls/syslink.c
@@ -3,9 +3,9 @@
 #include <reent.h>
 
 int
-link (old, new)
-     char *old;
-     char *new;
+_DEFUN (link, (old, new),
+     char *old _AND
+     char *new)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _link_r (_REENT, old, new);
diff --git a/newlib/libc/syscalls/syslseek.c b/newlib/libc/syscalls/syslseek.c
index 57d6423e9..a1722471c 100644
--- a/newlib/libc/syscalls/syslseek.c
+++ b/newlib/libc/syscalls/syslseek.c
@@ -4,10 +4,10 @@
 #include <unistd.h>
 
 off_t
-lseek (fd, pos, whence)
-     int fd;
-     off_t pos;
-     int whence;
+_DEFUN (lseek, (fd, pos, whence),
+     int fd _AND
+     off_t pos _AND
+     int whence)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _lseek_r (_REENT, fd, pos, whence);
diff --git a/newlib/libc/syscalls/sysopen.c b/newlib/libc/syscalls/sysopen.c
index 6b3836f24..7e7df995f 100644
--- a/newlib/libc/syscalls/sysopen.c
+++ b/newlib/libc/syscalls/sysopen.c
@@ -10,7 +10,9 @@
 #include <stdarg.h>
 
 int
-open (const char *file, int flags, ...)
+_DEFUN (open, (file, flags, ...),
+        const char *file _AND
+        int flags _DOTS)
 {
   va_list ap;
   int ret;
diff --git a/newlib/libc/syscalls/sysread.c b/newlib/libc/syscalls/sysread.c
index bdb39323d..ae19f5b46 100644
--- a/newlib/libc/syscalls/sysread.c
+++ b/newlib/libc/syscalls/sysread.c
@@ -4,10 +4,10 @@
 #include <unistd.h>
 
 _READ_WRITE_RETURN_TYPE
-read (fd, buf, cnt)
-     int fd;
-     void *buf;
-     size_t cnt;
+_DEFUN (read, (fd, buf, cnt),
+     int fd _AND
+     void *buf _AND
+     size_t cnt)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _read_r (_REENT, fd, buf, cnt);
diff --git a/newlib/libc/syscalls/syssbrk.c b/newlib/libc/syscalls/syssbrk.c
index 91673c960..de368678e 100644
--- a/newlib/libc/syscalls/syssbrk.c
+++ b/newlib/libc/syscalls/syssbrk.c
@@ -7,8 +7,8 @@ extern void *_sbrk_r (struct _reent *, ptrdiff_t);
 extern void *_sbrk (ptrdiff_t);
 
 void *
-sbrk (incr)
-     ptrdiff_t incr;
+_DEFUN (sbrk, (incr),
+     ptrdiff_t incr)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _sbrk_r (_REENT, incr);
diff --git a/newlib/libc/syscalls/sysstat.c b/newlib/libc/syscalls/sysstat.c
index 39a506169..e2247dcf0 100644
--- a/newlib/libc/syscalls/sysstat.c
+++ b/newlib/libc/syscalls/sysstat.c
@@ -4,9 +4,9 @@
 #include <unistd.h>
 
 int
-stat (file, pstat)
-     char *file;
-     struct stat *pstat;
+_DEFUN (stat, (file, pstat),
+     char *file _AND
+     struct stat *pstat)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _stat_r (_REENT, file, pstat);
diff --git a/newlib/libc/syscalls/systimes.c b/newlib/libc/syscalls/systimes.c
index f74d6fa15..353553be7 100644
--- a/newlib/libc/syscalls/systimes.c
+++ b/newlib/libc/syscalls/systimes.c
@@ -4,8 +4,8 @@
 #include <sys/times.h>
 
 clock_t
-times (buf)
-     struct tms *buf;
+_DEFUN (times, (buf),
+     struct tms *buf)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _times_r (_REENT, buf);
diff --git a/newlib/libc/syscalls/sysunlink.c b/newlib/libc/syscalls/sysunlink.c
index a910f96c2..ac04184f2 100644
--- a/newlib/libc/syscalls/sysunlink.c
+++ b/newlib/libc/syscalls/sysunlink.c
@@ -3,8 +3,8 @@
 #include <reent.h>
 
 int
-unlink (file)
-     char *file;
+_DEFUN (unlink, (file),
+        char *file)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _unlink_r (_REENT, file);
diff --git a/newlib/libc/syscalls/syswait.c b/newlib/libc/syscalls/syswait.c
index 86544fa0b..355906c37 100644
--- a/newlib/libc/syscalls/syswait.c
+++ b/newlib/libc/syscalls/syswait.c
@@ -3,8 +3,8 @@
 #include <reent.h>
 
 int
-wait (status)
-     int *status;
+_DEFUN (wait, (status),
+        int *status)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _wait_r (_REENT, status);
diff --git a/newlib/libc/syscalls/syswrite.c b/newlib/libc/syscalls/syswrite.c
index 00fc8a381..089975958 100644
--- a/newlib/libc/syscalls/syswrite.c
+++ b/newlib/libc/syscalls/syswrite.c
@@ -4,10 +4,10 @@
 #include <unistd.h>
 
 _READ_WRITE_RETURN_TYPE
-write (fd, buf, cnt)
-     int fd;
-     const void *buf;
-     size_t cnt;
+_DEFUN (write, (fd, buf, cnt),
+     int fd _AND
+     const void *buf _AND
+     size_t cnt)
 {
 #ifdef REENTRANT_SYSCALLS_PROVIDED
   return _write_r (_REENT, fd, buf, cnt);