ref: 042f98784acb9f09013f65b0c93b7f56e1b8a10a
dir: /sys/src/cmd/rc/fns.h/
void Abort(void); void Closedir(int); int Creat(char*); int Dup(int, int); int Dup1(int); int Eintr(void); int Executable(char*); void Execute(word*, word*); void Exit(char*); int ForkExecute(char*, char**, int, int, int); int Globsize(char*); int Isatty(int); void Noerror(void); int Opendir(char*); long Read(int, void*, long); int Readdir(int, void*, int); long Seek(int, long, long); void Trapinit(void); void Unlink(char*); void Updenv(void); void Vinit(void); int Waitfor(int, int); long Write(int, void*, long); void addwaitpid(int); int advance(void); int back(int); void cleanhere(char*); void codefree(code*); int compile(tree*); char * list2str(word*); int count(word*); char* deglob(char*); void delwaitpid(int); void dotrap(void); void freenodes(void); void freewords(word*); word* globlist(word*); int havewaitpid(int); int idchr(int); void inttoascii(char*, long); void kinit(void); int mapfd(int); int match(char*, char*, int); char** mkargv(word*); void clearwaitpids(void); void panic(char*, int); void pathinit(void); void poplist(void); void popword(void); void pprompt(void); void pushlist(void); void pushredir(int, int, int); word* pushword(char*); void readhere(void); word* searchpath(char*); void setstatus(char*); void setvar(char*, word*); void skipnl(void); void start(code*, int, var*); int truestatus(void); void usage(char*); int wordchr(int); void yyerror(char*); int yylex(void); int yyparse(void);