extern bool ioncore_exec(const char *cmd);
extern int ioncore_do_exec_on(WRegion *reg, const char *cmd, const char *wd,
ExtlFn errh);
extern bool ioncore_exec(const char *cmd);
extern int ioncore_do_exec_on(WRegion *reg, const char *cmd, const char *wd,
ExtlFn errh);