ref: 6fd9e6e6e3becca66d74f3dc7590c6a0497e86fc
dir: /cmd/rc.h/
#pragma once void rc_main(void); int echo_main(int, char**, char *cwd); int clear_main(int, char**, char *cwd); int check_main(int, char**, char *cwd); int cal_main(int, char**, char *cwd); static prog_t cmdtab[] = { {"echo", echo_main}, {"clear", clear_main}, {"check", check_main}, {"cal", cal_main}, };