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-rw-r--r--src/lib/linux_os.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/lib/linux_os.rs b/src/lib/linux_os.rs
index 2ff61dc3..dd5d8bfc 100644
--- a/src/lib/linux_os.rs
+++ b/src/lib/linux_os.rs
@@ -12,6 +12,7 @@ native mod libc = "libc.so.6" {
fn fopen(sbuf path, sbuf mode) -> FILE;
fn fclose(FILE f);
fn fgetc(FILE f) -> int;
+ fn ungetc(int c, FILE f);
type dir;
// readdir is a mess; handle via wrapper function in rustrt.