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-rw-r--r--newlib/libc/include/_syslist.h1
-rw-r--r--newlib/libc/include/reent.h1
-rw-r--r--newlib/libc/include/sys/unistd.h1
3 files changed, 3 insertions, 0 deletions
diff --git a/newlib/libc/include/_syslist.h b/newlib/libc/include/_syslist.h
index 0bf76e108..09da79336 100644
--- a/newlib/libc/include/_syslist.h
+++ b/newlib/libc/include/_syslist.h
@@ -11,6 +11,7 @@
#define _fstat fstat
#define _getpid getpid
#define _gettimeofday gettimeofday
+#define _isatty isatty
#define _kill kill
#define _link link
#define _lseek lseek
diff --git a/newlib/libc/include/reent.h b/newlib/libc/include/reent.h
index 639789e71..4f3d6a9bf 100644
--- a/newlib/libc/include/reent.h
+++ b/newlib/libc/include/reent.h
@@ -67,6 +67,7 @@ extern int _fcntl_r _PARAMS ((struct _reent *, int, int, int));
extern int _fork_r _PARAMS ((struct _reent *));
extern int _fstat_r _PARAMS ((struct _reent *, int, struct stat *));
extern int _getpid_r _PARAMS ((struct _reent *));
+extern int _isatty_r _PARAMS ((struct _reent *, int));
extern int _kill_r _PARAMS ((struct _reent *, int, int));
extern int _link_r _PARAMS ((struct _reent *, const char *, const char *));
extern _off_t _lseek_r _PARAMS ((struct _reent *, int, _off_t, int));
diff --git a/newlib/libc/include/sys/unistd.h b/newlib/libc/include/sys/unistd.h
index 619652ffc..072e6fe71 100644
--- a/newlib/libc/include/sys/unistd.h
+++ b/newlib/libc/include/sys/unistd.h
@@ -189,6 +189,7 @@ int getsubopt(char **, char * const *, char **);
int _EXFUN(_close, (int __fildes ));
pid_t _EXFUN(_fork, (void ));
pid_t _EXFUN(_getpid, (void ));
+int _EXFUN(_isatty, (int __fildes ));
int _EXFUN(_link, (const char *__path1, const char *__path2 ));
_off_t _EXFUN(_lseek, (int __fildes, _off_t __offset, int __whence ));
#ifdef __LARGE64_FILES