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#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 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
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