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wait
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1994-09-30
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277 b
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20 lines
static char sccs_id[] = "@(#) wait.c 1.2 " __DATE__ " HJR";
/* wait.c (c) Copyright 1990 H.Rogers */
#include "sys/unix.h"
int
wait (register int *r)
{
if (!(__u->flag & __U_ZCLD))
return (-1);
if (r)
*r = __u->wait;
__u->flag &= ~__U_ZCLD;
return (0);
}