1 files changed, 1 insertions, 0 deletions

diff --git a/include/mingw.h b/include/mingw.h
index a97c347e1..0fbc8f528 100644
--- a/include/mingw.h
+++ b/include/mingw.h
@@ -293,6 +293,7 @@ NOIMPL(setuid,uid_t gid UNUSED_PARAM);
 unsigned int sleep(unsigned int seconds);
 NOIMPL(symlink,const char *oldpath UNUSED_PARAM, const char *newpath UNUSED_PARAM);
 static inline void sync(void) {}
+NOIMPL(ttyname_r,int fd UNUSED_PARAM, char *buf UNUSED_PARAM, int sz UNUSED_PARAM);
 int mingw_unlink(const char *pathname);
 NOIMPL(vfork,void);