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-rw-r--r--io/dup.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/io/dup.c b/io/dup.c
index a461a42..b501d22 100644
--- a/io/dup.c
+++ b/io/dup.c
@@ -21,8 +21,7 @@
/* Duplicate FD, returning a new file descriptor open on the same file. */
int
-__dup (fd)
- int fd;
+__dup (int fd)
{
__set_errno (ENOSYS);
return -1;