.TP
.B ENOSYS
Function not supported on this system.
+.SH VERSIONS
+The
+.BR posix_spawn ()
+and
+.BR posix_spawnp ()
+functions are available since glibc 2.2.
+.SH CONFORMING TO
+.LP
+POSIX.1-2001, POSIX.1-2008.
+.\" FIXME . This piece belongs in spawnattr_setflags(3)
+.\" The
+.\" .B POSIX_SPAWN_USEVFORK
+.\" flag is a GNU extension; the
+.\" .B _GNU_SOURCE
+.\" feature test macro must be defined (before including any header files)
+.\" to obtain the definition of this constant.
.SH NOTES
The housekeeping activities in the child are controlled by
the objects pointed to by
argument as one of the files in the caller's
.IR /proc/self/fd
directory.
-.SH VERSIONS
-The
-.BR posix_spawn ()
-and
-.BR posix_spawnp ()
-functions are available since glibc 2.2.
-.SH CONFORMING TO
-.LP
-POSIX.1-2001, POSIX.1-2008.
-.\" FIXME . This piece belongs in spawnattr_setflags(3)
-.\" The
-.\" .B POSIX_SPAWN_USEVFORK
-.\" flag is a GNU extension; the
-.\" .B _GNU_SOURCE
-.\" feature test macro must be defined (before including any header files)
-.\" to obtain the definition of this constant.
.SH BUGS
POSIX.1 says that when
.B POSIX_SPAWN_SETSCHEDULER