fanotify_init.2, fanotify.7: Document FAN_REPORT_TID

[thirdparty/man-pages.git] / man3 / ffs.3

diff --git a/man3/ffs.3 b/man3/ffs.3
index 504d8a1f467aacc96d50fa5cdde151752439aa07..a90087b456f0cdcd0d36015154696845ad361621 100644 (file)
--- a/man3/ffs.3
+++ b/man3/ffs.3
@@ -30,35 +30,37 @@
 .\"
 .\" Modified 2003 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
 .\"
-.TH FFS 3 2015-08-08 "GNU" "Linux Programmer's Manual"
+.TH FFS 3 2017-09-15 "GNU" "Linux Programmer's Manual"
 .SH NAME
 ffs, ffsl, ffsll \- find first bit set in a word
 .SH SYNOPSIS
 .nf
 .B #include <strings.h>
-.sp
+.PP
 .BI "int ffs(int " i );
-.sp
+.PP
 .B #include <string.h>
-.sp
+.PP
 .BI "int ffsl(long int " i );
-.sp
+.PP
 .BI "int ffsll(long long int " i );
 .fi
-.sp
+.PP
 .in -4n
 Feature Test Macro Requirements for glibc (see
 .BR feature_test_macros (7)):
 .in
+.PP
 .PD 0
 .ad l
-.sp
 .BR ffs ():
 .RS 4
 .TP 4
 Since glibc 2.12:
-_SVID_SOURCE || _BSD_SOURCE ||
-_POSIX_C_SOURCE\ >=\ 200809L || _XOPEN_SOURCE\ >=\ 700 ||
+    _XOPEN_SOURCE >= 700
+    || ! (_POSIX_C_SOURCE\ >=\ 200809L)
+    || /* Glibc since 2.19: */ _DEFAULT_SOURCE
+    || /* Glibc versions <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
 .TP
 Before glibc 2.12:
 none
@@ -67,7 +69,15 @@ none
 .BR ffsl (),
 .BR ffsll ():
 .RS 4
-_GNU_SOURCE
+.PD 0
+.TP 4
+Since glibc 2.27:
+.\" glibc commit 68fe16dd327c895c08b9ee443b234c49c13b36e9
+    _DEFAULT_SOURCE
+.TP
+Before glibc 2.27:
+    _GNU_SOURCE
+.PD
 .RE
 .ad
 .PD
@@ -105,7 +115,7 @@ T}  Thread safety   MT-Safe
 .SH CONFORMING TO
 .BR ffs ():
 POSIX.1-2001, POSIX.1-2008, 4.3BSD.
-
+.PP
 The
 .BR ffsl ()
 and