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.Dd February 13, 2003
.Dt PTHREAD_MAIN_NP 3
.Os
.Sh NAME
.Nm pthread_main_np
.Nd identify the initial thread
.Sh LIBRARY
.Lb libpthread
.Sh SYNOPSIS
.In pthread_np.h
.Ft int
.Fn pthread_main_np void
.Sh DESCRIPTION
The
.Fn pthread_main_np
function
is used in userland threads environment to identify the initial thread.
Its semantics is similar to the Solaris's
.Fn thr_main
function.
.Sh RETURN VALUES
The
.Fn pthread_main_np
function returns
1 if the calling thread is the initial thread,
0 if the calling thread is not the initial thread,
and \-1 if the thread's initialization has not yet completed.
.Sh SEE ALSO
.Xr pthread_create 3 ,
.Xr pthread_equal 3 ,
.Xr pthread_self 3
.Sh AUTHORS
This manual page was written by
.An Alexey Zelkin Aq phantom@FreeBSD.org .