1 files changed, 1 insertions, 0 deletions

diff --git a/uisimulator/x11/file.h b/uisimulator/x11/file.h
index ff8d4af451..cf77eea4ba 100644
--- a/uisimulator/x11/file.h
+++ b/uisimulator/x11/file.h
@@ -43,5 +43,6 @@ extern int printf(const char *format, ...);
 
 off_t lseek(int fildes, off_t offset, int whence);
 ssize_t read(int fd, void *buf, size_t count);
+ssize_t write(int fd, const void *buf, size_t count);
 
 #endif