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-rw-r--r--src/stdio/setbuf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/stdio/setbuf.c b/src/stdio/setbuf.c
index 1b98d503..74ad7834 100644
--- a/src/stdio/setbuf.c
+++ b/src/stdio/setbuf.c
@@ -1,6 +1,6 @@
#include <stdio.h>
-void setbuf(FILE *f, char *buf)
+void setbuf(FILE *restrict f, char *restrict buf)
{
setvbuf(f, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
}