From 823f4ba7b069bc2f4712e562cefc3759189e7772 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Fri, 9 Feb 2001 08:55:14 +0000 Subject: Add ffs func declaration -Erik --- include/string.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'include/string.h') diff --git a/include/string.h b/include/string.h index dcdd24fb0..7d284e5d6 100644 --- a/include/string.h +++ b/include/string.h @@ -66,6 +66,10 @@ extern __ptr_t memmove __P ((__ptr_t __dest, __const __ptr_t __src, #define index strchr #define rindex strrchr +/* Return the position of the first bit set in I, or 0 if none are set. + The least-significant bit is position 1, the most-significant 32. */ +extern int ffs __P ((int __i)) __attribute__ ((const)); + /* Other common BSD functions */ /* Set N bytes of S to 0. */ extern void bzero __P ((__ptr_t __s, size_t __n)); -- cgit v1.2.3