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-.TH NEXTAFTER 3 2009-12-05 "GNU" "Linux Programmer's Manual"
+.TH NEXTAFTER 3 2010-09-20 "GNU" "Linux Programmer's Manual"
.\"O .SH NAME
.\"O nextafter, nextafterf, nextafterl, nexttoward, nexttowardf, nexttowardl \-
.\"O floating-point number manipulation
.sp
.ad l
.BR nextafter ():
-_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 500 || _ISOC99_SOURCE; or
+.RS 4
+_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 500 ||
+_XOPEN_SOURCE\ &&\ _XOPEN_SOURCE_EXTENDED ||
+_ISOC99_SOURCE ||
+_POSIX_C_SOURCE\ >=\ 200112L;
+.br
+or
.I cc\ -std=c99
+.RE
.br
.BR nextafterf (),
.BR nextafterl ():
-_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE; or
+.RS 4
+_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE ||
+_POSIX_C_SOURCE\ >=\ 200112L;
+.br
+or
.I cc\ -std=c99
+.RE
.br
.BR nexttoward (),
.BR nexttowardf (),
.BR nexttowardl ():
-_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE;
+.RS 4
+_XOPEN_SOURCE\ >=\ 600 || _ISOC99_SOURCE ||
+_POSIX_C_SOURCE\ >=\ 200112L;
+.br
+or
.I cc\ -std=c99
+.RE
.ad b
.\"O .SH DESCRIPTION
.SH ÀâÌÀ