on some platforms but not on others.
@item
-@samp{FD_CLOEXEC} is not defined on some platforms:
+@samp{FD_CLOEXEC}, @samp{F_DUPFD}, and @samp{F_GETFD} are not defined
+on some platforms:
mingw.
@item
on some platforms.
@item
-@samp{F_DUPFD} and @samp{F_GETFD} are not defined on some platforms:
-mingw.
-
-@item
@samp{F_SETFD}, @samp{F_GETFL}, @samp{F_SETFL}, @samp{F_GETLK},
@samp{F_SETLK}, @samp{F_SETLOKW}, @samp{F_GETOWN}, and @samp{F_SETOWN}
are not defined on some platforms: