_pid               85 compat/svr4/svr4_siginfo.h 				svr4_pid_t	_pid;
_pid              103 compat/svr4/svr4_siginfo.h #define svr4_si_pid	_info._reason._child._pid
_pid              121 sys/ptrace.h   int	ptrace(int _request, pid_t _pid, caddr_t _addr, int _data);
_pid              139 sys/siginfo.h  			pid_t	_pid;		/* process ID */
_pid              175 sys/siginfo.h  #define si_pid		_data._proc._pid