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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
int
main(void)
{
(void) close(0);
(void) close(1);
int fds[2];
if (pipe(fds) || fds[0] != 0 || fds[1] != 1)
return 77;
#ifdef HAVE_PIPE2
(void) close(0);
(void) close(1);
if (pipe2(fds, O_NONBLOCK) || fds[0] != 0 || fds[1] != 1)
return 77;
return 0;
#else
return 77;
#endif
}
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