run_command
(void)run_command(value("SHELL"), 0, -1, -1, "-c", cmd, NULL);
(void)run_command(value("PAGER"), 0, -1, -1, _PATH_HELP, NULL);
(void)run_command(shell, 0, 0, -1, "-c", cmd, NULL);
(void)run_command(shell, 0, 0, -1, NULL, NULL, NULL);
if (run_command(shell,
int run_command(char *cmd, sigset_t *nset, int infd, int outfd, ...);
run_command(cmd, false);
extern __dead void run_command(const char *, bool);
run_command(cmd, errCheck);
void run_command(char *);
run_command(pl->file);
run_command(pdu);
void run_command(struct pdu *);
run_command(pdu);