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#ifndef _SYS_WAIT_H

#define _SYS_WAIT_H

#ifdef __cplusplus

extern "C" {

#endif

#include <sys/types.h>

#define WNOHANG 1

#define WUNTRACED 2

/* A status looks like:

      <2 bytes info> <2 bytes code>

      <code> == 0, child has exited, info is the exit value

      <code> == 1..7e, child has exited, info is the signal number.

      <code> == 7f, child has stopped, info was the signal number.

      <code> == 80, there was a core dump.

*/

#define WIFEXITED(w)    (((w) & 0xff) == 0)

#define WIFSIGNALED(w)  (((w) & 0x7f) > 0 && (((w) & 0x7f) < 0x7f))

#define WIFSTOPPED(w)   (((w) & 0xff) == 0x7f)

#define WEXITSTATUS(w)  (((w) >> 8) & 0xff)

#define WTERMSIG(w)     ((w) & 0x7f)

#define WSTOPSIG        WEXITSTATUS

pid_t wait (int *);

pid_t waitpid (pid_t, int *, int);

#ifdef _COMPILING_NEWLIB

pid_t _wait (int *);

#endif

/* Provide prototypes for most of the _<systemcall> names that are

   provided in newlib for some compilers.  */

pid_t _wait (int *);

#ifdef __cplusplus

};

#endif

#endif