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-rw-r--r--missing/isinf.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/missing/isinf.c b/missing/isinf.c
index e0cd6ac..38772ba 100644
--- a/missing/isinf.c
+++ b/missing/isinf.c
@@ -1,3 +1,5 @@
+/* public domain rewrite of isinf(3) */
+
#ifdef __osf__
#define _IEEE 1