45 	pid_t	pid;  member
51 	pid_t	pid;  member
100 	pid_t pid;  in Popen()  local
117 	pid = start_command(value("SHELL"), &nset, fd0, fd1, "-c", cmd, NULL);  in Popen()
118 	if (pid < 0) {  in Popen()
125 		register_file(fp, 1, pid);  in Popen()
159 register_file(FILE *fp, int pipe, pid_t pid)  in register_file()  argument
167 	fpp->pid = pid;  in register_file()
194 			return (p->pid);  in file_pid()
210 	pid_t pid;  in start_commandv()  local
212 	if ((pid = fork()) < 0) {  in start_commandv()
216 	if (pid == 0) {  in start_commandv()
228 	return (pid);  in start_commandv()
234 	pid_t pid;  in run_command()  local
238 	pid = start_commandv(cmd, nset, infd, outfd, args);  in run_command()
240 	if (pid < 0)  in run_command()
242 	return wait_command(pid);  in run_command()
281 wait_command(pid_t pid)  in wait_command()  argument
284 	if (wait_child(pid) < 0) {  in wait_command()
292 findchild(pid_t pid, int dont_alloc)  in findchild()  argument
296 	for (cpp = &child; *cpp != NULL && (*cpp)->pid != pid;  in findchild()
310 		(*cpp)->pid = pid;  in findchild()
333 	pid_t pid;  in sigchild()  local
339 	while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {  in sigchild()
340 		cp = findchild(pid, 1);  in sigchild()
359 wait_child(pid_t pid)  in wait_child()  argument
373 	cp = findchild(pid, 1);  in wait_child()
375 		rv = waitpid(pid, &wait_status, 0);  in wait_child()
391 free_child(pid_t pid)  in free_child()  argument
399 	if ((cp = findchild(pid, 0)) != NULL) {  in free_child()