#ifndef _SYS_WAIT_H#define _SYS_WAIT_H#include <sys/types.h>#define _LOW(v)		( (v) & 0377)#define _HIGH(v)	( ((v) >> 8) & 0377)/* options for waitpid, WUNTRACED not supported */#define WNOHANG		1#define WUNTRACED	2#define WIFEXITED(s)	(!((s)&0xFF))#define WIFSTOPPED(s)	(((s)&0xFF)==0x7F)#define WEXITSTATUS(s)	(((s)>>8)&0xFF)#define WTERMSIG(s)	((s)&0x7F)#define WCOREDUMP(s)	((s)&0x80)#define WSTOPSIG(s)	(((s)>>8)&0xFF)#define WIFSIGNALED(s)	(((unsigned int)(s)-1 & 0xFFFF) < 0xFF)pid_t wait(int *stat_loc);pid_t waitpid(pid_t pid, int *stat_loc, int options);#endif