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-.TH PTHREAD_ONCE 3 LinuxThreads
-
-.SH NAME
-pthread_once \- once-only initialization
-
-.SH SYNOPSIS
-#include <pthread.h>
-
-pthread_once_t once_control = PTHREAD_ONCE_INIT;
-
-int pthread_once(pthread_once_t *once_control, void (*init_routine) (void));
-
-.SH DESCRIPTION
-
-The purpose of !pthread_once! is to ensure that a piece of
-initialization code is executed at most once. The |once_control|
-argument points to a static or extern variable statically initialized
-to !PTHREAD_ONCE_INIT!.
-
-The first time !pthread_once! is called with a given |once_control|
-argument, it calls |init_routine| with no argument and changes the
-value of the |once_control| variable to record that initialization has
-been performed. Subsequent calls to !pthread_once! with the same
-!once_control! argument do nothing. 
-
-.SH "RETURN VALUE"
-!pthread_once! always returns 0.
-
-.SH ERRORS
-None.
-
-.SH AUTHOR
-Xavier Leroy <Xavier.Leroy@inria.fr>
-