.\" Updated Wed Jan 9 JST 2002 by Kentaro Shirakata <argrath@ub32.org>
.\" Updated Mon Sep 1 JST 2003 by Kentaro Shirakata <argrath@ub32.org>
.\"
-.TH FFS 3 2009-08-27 "GNU" "Linux Programmer's Manual"
+.TH FFS 3 2010-09-20 "GNU" "Linux Programmer's Manual"
.SH ̾Á°
ffs, ffsl, ffsll \- ¥ï¡¼¥É¤ÎÃæ¤ÇºÇ½é¤Ë¥»¥Ã¥È¤µ¤ì¤Æ¤¤¤ë¥Ó¥Ã¥È¤Î¸¡½Ð
.SH ½ñ¼°
.sp
.BI "int ffs(int " i );
.sp
-.B #define _GNU_SOURCE
-.br
.B #include <string.h>
.sp
.BI "int ffsl(long int " i );
.sp
.BI "int ffsll(long long int " i );
.fi
+.sp
+.in -4n
+glibc ¸þ¤±¤Îµ¡Ç½¸¡ºº¥Þ¥¯¥í¤ÎÍ×·ï
+.RB ( feature_test_macros (7)
+»²¾È):
+.in
+.PD 0
+.ad l
+.sp
+.BR ffs ():
+.RS 4
+.TP 4
+glibc 2.10 °Ê¹ß:
+_SVID_SOURCE || _BSD_SOURCE ||
+_POSIX_C_SOURCE\ >=\ 200809L || _XOPEN_SOURCE\ >=\ 700 ||
+.TP
+glibc 2.10 ¤è¤êÁ°:
+none
+.RE
+.PP
+.BR ffsl (),
+.BR ffsll ():
+.RS 4
+_GNU_SOURCE
+.RE
+.ad
+.PD
.SH ÀâÌÀ
.BR ffs ()
´Ø¿ô¤Ï¡¢¥ï¡¼¥É \fIi\fP ¤ÎÃæ¤ÇºÇ½é¤Ë¥»¥Ã¥È¤µ¤ì¤Æ¤¤¤ë
.I i
¤Î¤É¤Î¥Ó¥Ã¥È¤â¥»¥Ã¥È¤µ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð 0 ¤òÊÖ¤¹¡£
.SH ½àµò
-.BR ffs (): 4.3BSD, POSIX.1-2001.
+.BR ffs ():
+4.3BSD, POSIX.1-2001.
+
+´Ø¿ô
.BR ffsl ()
¤È
.BR ffsll ()
.I <string.h>
¤Ë¥×¥í¥È¥¿¥¤¥×¤¬¤¢¤ë¡£
.SH ´ØÏ¢¹àÌÜ
-.BR memchr (3),
-.BR feature_test_macros (7)
+.BR memchr (3)