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-rw-r--r--lib/libc/string/ffs.39
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/libc/string/ffs.3 b/lib/libc/string/ffs.3
index 71e13b2..fd4de44 100644
--- a/lib/libc/string/ffs.3
+++ b/lib/libc/string/ffs.3
@@ -43,7 +43,7 @@
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
-.In string.h
+.In strings.h
.Ft int
.Fn ffs "int value"
.Sh DESCRIPTION
@@ -62,3 +62,10 @@ The
.Fn ffs
function appeared in
.Bx 4.3 .
+Its prototype existed previously in
+.Aq Pa string.h
+before it was moved to
+.Aq Pa strings.h
+for
+.St -p1003.1-2001
+compliance.
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