/* Generic unistd.h */

#ifndef _AC_UNISTD_H
#define _AC_UNISTD_H

#if HAVE_UNISTD_H
# include <sys/types.h>
# include <unistd.h>
#endif

/* use _POSIX_VERSION for POSIX.1 code */

#endif /* _AC_UNISTD_H */