53 	pid_t	pid;  member
59 	pid_t	pid;  member
108 	pid_t pid;  in Popen()  local
125 	pid = start_command(value("SHELL"), &nset, fd0, fd1, "-c", cmd, NULL);  in Popen()
126 	if (pid < 0) {  in Popen()
133 		register_file(fp, 1, pid);  in Popen()
167 register_file(FILE *fp, int pipe, pid_t pid)  in register_file()  argument
175 	fpp->pid = pid;  in register_file()
202 			return (p->pid);  in file_pid()
218 	pid_t pid;  in start_commandv()  local
220 	if ((pid = fork()) < 0) {  in start_commandv()
224 	if (pid == 0) {  in start_commandv()
236 	return (pid);  in start_commandv()
242 	pid_t pid;  in run_command()  local
246 	pid = start_commandv(cmd, nset, infd, outfd, args);  in run_command()
248 	if (pid < 0)  in run_command()
250 	return wait_command(pid);  in run_command()
289 wait_command(pid_t pid)  in wait_command()  argument
292 	if (wait_child(pid) < 0) {  in wait_command()
300 findchild(pid_t pid, int dont_alloc)  in findchild()  argument
304 	for (cpp = &child; *cpp != NULL && (*cpp)->pid != pid;  in findchild()
318 		(*cpp)->pid = pid;  in findchild()
341 	pid_t pid;  in sigchild()  local
347 	while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {  in sigchild()
348 		cp = findchild(pid, 1);  in sigchild()
367 wait_child(pid_t pid)  in wait_child()  argument
381 	cp = findchild(pid, 1);  in wait_child()
383 		rv = waitpid(pid, &wait_status, 0);  in wait_child()
399 free_child(pid_t pid)  in free_child()  argument
407 	if ((cp = findchild(pid, 0)) != NULL) {  in free_child()