📄 wait.h
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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 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
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