ffix

man2/setpgid.2

@@ -204,7 +204,9 @@ from the BSD function
 Also System V has a function with the same name, but it is identical to
 .BR setsid (2).
 .LP
-To get the prototypes under glibc, define both _XOPEN_SOURCE and
+To get the prototypes under glibc, define both
+.B _XOPEN_SOURCE
+and
 _XOPEN_SOURCE_EXTENDED, or use "#define _XOPEN_SOURCE \fIn\fP"
 for some integer \fIn\fP larger than or equal to 500.
 .SH "SEE ALSO"

man2/setresuid.2

@@ -85,7 +85,9 @@ they also appear on HP-UX and some of the BSDs.
 Under HP-UX and FreeBSD the prototype is found in
 .IR <unistd.h> .
 Under Linux the prototype is given by glibc since version 2.3.2
-provided _GNU_SOURCE is defined.
+provided
+.B _GNU_SOURCE
+is defined.
 .SH "SEE ALSO"
 .BR getresuid (2),
 .BR getuid (2),

man2/shmctl.2

@@ -160,7 +160,9 @@ This structure is of type
 (thus, a cast is required),
 defined in
 .I <sys/shm.h>
-if the _GNU_SOURCE feature test macro is defined:
+if the
+.B _GNU_SOURCE
+feature test macro is defined:
 .nf
 .in +2n
 
@@ -194,7 +196,9 @@ structure whose fields contain information
 about system resources consumed by shared memory.
 This structure is defined in
 .I <sys/shm.h>
-if the _GNU_SOURCE feature test macro is defined:
+if the
+.B _GNU_SOURCE
+feature test macro is defined:
 .nf
 .in +2n
 

man3/INFINITY.3

@@ -72,7 +72,11 @@ Availability of the NAN macro can be tested using
 and similarly for INFINITY, HUGE_VALF, HUGE_VALL.
 They will be defined by
 .I <math.h>
-if _ISOC99_SOURCE or _GNU_SOURCE is defined, or __STDC_VERSION__ is defined
+if
+.B _ISOC99_SOURCE
+or
+.B _GNU_SOURCE
+is defined, or __STDC_VERSION__ is defined
 and has a value not less than 199901L.
 .SH "SEE ALSO"
 .BR fpclassify (3),

man3/bsd_signal.3

@@ -82,7 +82,9 @@ The use of
 .B sighandler_t
 is a GNU extension;
 this type is only defined if
-the _GNU_SOURCE feature test macro is defined.
+the
+.B _GNU_SOURCE
+feature test macro is defined.
 .SH "SEE ALSO"
 .BR sigaction (2),
 .BR signal (2),

man3/dlopen.3

@@ -372,7 +372,9 @@ and
 .SH NOTES
 The symbols RTLD_DEFAULT and RTLD_NEXT are defined by
 .I <dlfcn.h>
-only when _GNU_SOURCE was defined before including it.
+only when
+.B _GNU_SOURCE
+was defined before including it.
 .\" .LP
 .\" The string returned by
 .\" .BR dlerror ()

man3/ftw.3

@@ -192,7 +192,9 @@ to return immediately with the return value
 Other return values could be associated with new actions in the future;
 \fIfn\fP() should not return values other than those listed above.
 
-The feature test macro _GNU_SOURCE must be defined in order to
+The feature test macro
+.B _GNU_SOURCE
+must be defined in order to
 obtain the definition of \fBFTW_ACTIONRETVAL\fP from \fI<ftw.h>\fP.
 .RE
 .TP

man3/insque.3

@@ -72,7 +72,9 @@ struct qelem {
 .fi
 .RE
 
-This is still what you will get if _GNU_SOURCE is defined before
+This is still what you will get if
+.B _GNU_SOURCE
+is defined before
 including \fI<search.h>\fP.
 
 The location of the prototypes for these functions differs among several

man3/perror.3

@@ -116,7 +116,9 @@ and
 are defined by glibc, but in
 .IR <stdio.h> .
 .\" and only when _BSD_SOURCE is defined.
-.\" When _GNU_SOURCE is defined, the symbols
+.\" When
+.B _GNU_SOURCE
+is defined, the symbols
 .\" .I _sys_nerr
 .\" and
 .\" .I _sys_errlist

man3/posix_memalign.3

@@ -118,7 +118,9 @@ Everybody agrees that
 .BR posix_memalign ()
 is declared in \fI<stdlib.h>\fP.
 In order to declare it, glibc needs
-_GNU_SOURCE defined, or _XOPEN_SOURCE defined to a value not less than 600.
+_GNU_SOURCE defined, or
+.B _XOPEN_SOURCE
+defined to a value not less than 600.
 
 On some systems
 .BR memalign ()

man3/sigpause.3

@@ -80,8 +80,12 @@ Libc4 and libc5 only know about the BSD version.
 
 Glibc uses the BSD version if the _BSD_SOURCE feature test macro is
 defined and none of _POSIX_SOURCE, _POSIX_C_SOURCE, _XOPEN_SOURCE,
-_GNU_SOURCE, or _SVID_SOURCE is defined.
+_GNU_SOURCE, or
-The System V version is used if _XOPEN_SOURCE is defined.
+.B _SVID_SOURCE
+is defined.
+The System V version is used if
+.B _XOPEN_SOURCE
+is defined.
 .\"
 .\" For the BSD version, one usually uses a zero
 .\" .I sigmask

man3/sigsetops.3

@@ -93,7 +93,9 @@ is not a valid signal.
 POSIX.1-2001.
 .SH NOTES
 .SS Glibc Notes
-If the _GNU_SOURCE feature test macro is defined, then \fI<signal.h>\fP
+If the
+.B _GNU_SOURCE
+feature test macro is defined, then \fI<signal.h>\fP
 exposes three other functions for manipulating signal
 sets.
 .TP

man3/strerror.3

@@ -74,7 +74,9 @@ thread safe.
 This function is available in two versions:
 an XSI-compliant version specified in POSIX.1-2001,
 and a GNU-specific version (available since glibc 2.0).
-If _XOPEN_SOURCE is defined with the value 600,
+If
+.B _XOPEN_SOURCE
+is defined with the value 600,
 then the XSI-compliant version is provided,
 otherwise the GNU-specific version is provided.
 

man3/strptime.3

@@ -288,7 +288,9 @@ field if any of the year, month, or day elements changed.
 .PP
 This function is available since libc 4.6.8.
 Linux libc4 and libc5 includes define the prototype unconditionally;
-glibc2 includes provide a prototype only when _XOPEN_SOURCE or _GNU_SOURCE
+glibc2 includes provide a prototype only when
+.B _XOPEN_SOURCE
+or _GNU_SOURCE
 are defined.
 .PP
 Before libc 5.4.13 whitespace (and the 'n' and 't' specifications)

man3/sysv_signal.3

@@ -79,7 +79,9 @@ The use of
 .B sighandler_t
 is a GNU extension;
 this type is only defined if
-the _GNU_SOURCE feature test macro is defined.
+the
+.B _GNU_SOURCE
+feature test macro is defined.
 .SH "SEE ALSO"
 .BR sigaction (2),
 .BR signal (2),

man3/termios.3

@@ -317,7 +317,9 @@ Input is converted to lowercase, except for characters preceded by \\.
 On output, uppercase characters are preceded by \\ and lowercase
 characters are converted to uppercase.
 .\" [requires _BSD_SOURCE or _SVID_SOURCE or _XOPEN_SOURCE]
-.\" glibc is probably now wrong to allow _XOPEN_SOURCE to expose XCASE.
+.\" glibc is probably now wrong to allow
+.B _XOPEN_SOURCE
+to expose XCASE.
 .TP
 .B ECHO
 Echo input characters.