1 files changed, 1 insertions, 0 deletions
diff --git a/defs.h b/defs.h
index 2928428..18ff4f1 100644
--- a/defs.h
+++ b/defs.h
@@ -94,6 +94,7 @@ int fd_read(struct fd *fd, char *addr, int n);
 int fd_write(struct fd *fd, char *addr, int n);
 int fd_stat(struct fd *fd, struct stat *);
 void fd_incref(struct fd *fd);
+int fd_dup(struct fd *fd);
 
 // ide.c
 void ide_init(void);