67 static struct pid {  struct
68 	struct pid *next;  argument
73 	pid_t pid;  member
80 static struct pid *
83 	struct pid *cur;  in pdes_get()
124 	struct pid *old;  in pdes_child()
154 pdes_parent(int *pdes, struct pid *cur, pid_t pid, const char *type)  in pdes_parent()  argument
175 	cur->pid =  pid;  in pdes_parent()
181 pdes_error(int *pdes, struct pid *cur)  in pdes_error()
191 	struct pid *cur;  in popenve()
193 	pid_t pid;  in popenve()  local
201 	switch (pid = vfork()) {  in popenve()
218 	pdes_parent(pdes, cur, pid, type);  in popenve()
235 	struct pid *cur, *last;  in pcloseve()
237 	pid_t pid;  in pcloseve()  local
268 		pid = waitpid(cur->pid, &pstat, 0);  in pcloseve()
269 	} while (pid == -1 && errno == EINTR);  in pcloseve()
273 	return pid == -1 ? -1 : pstat;  in pcloseve()