RM(rc): old code. too many assumptions baked in

1 files changed, 0 insertions, 149 deletions

diff --git a/sys/cmd/rc/rc.h b/sys/cmd/rc/rc.h
deleted file mode 100644
index c91bdd4..0000000
--- a/sys/cmd/rc/rc.h
+++ /dev/null
@@ -1,149 +0,0 @@
-#include "unix.h"
-
-#define	YYMAXDEPTH	500
-#ifndef PAREN
-#ifndef YYMAJOR
-#include "x.tab.h"
-#endif
-#endif
-
-#undef pipe	/* so that /dev/fd works */
-#define searchpath rcsearchpath	/* avoid new libc function */
-
-typedef struct Tree Tree;
-typedef struct Word Word;
-typedef struct Io Io;
-typedef union  Code Code;
-typedef struct Var Var;
-typedef struct Words Words;
-typedef struct Redir Redir;
-typedef struct Thread Thread;
-typedef struct Builtin Builtin;
-
-struct Tree
-{
-    int type;
-    int rtype, fd0, fd1;		/* details of REDIR PIPE DUP tokens */
-    char *str;
-    int quoted;
-    int iskw;
-    Tree *child[3];
-    Tree *next;
-};
-
-Tree *newtree(void);
-void freetree(Tree*);
-
-Tree *token(char*, int);
-Tree *klook(char*); 
-
-Tree *tree1(int, Tree*);
-Tree *tree2(int, Tree*, Tree*);
-Tree *tree3(int, Tree*, Tree*, Tree*);
-
-Tree *mung1(Tree*, Tree*);
-Tree *mung2(Tree*, Tree*, Tree*);
-Tree *mung3(Tree*, Tree*, Tree*, Tree*);
-Tree *epimung(Tree*, Tree*);
-Tree *simplemung(Tree*);
-Tree *heredoc(Tree*);
-
-extern Tree *cmdtree;
-
-/*
- * The first word of any code vector is a reference count.
- * Always create a new reference to a code vector by calling codecopy(.).
- * Always call codefree(.) when deleting a reference.
- */
-union Code
-{
-	void (*f)(void);
-	int i;
-	char *s;
-};
-
-extern char *promptstr;
-extern int   doprompt;
-
-#define	NTOK	8192
-extern char tok[NTOK];
-
-#define	APPEND	1
-#define	WRITE	2
-#define	READ	3
-#define	HERE	4
-#define	DUPFD	5
-#define	CLOSE	6
-#define	RDWR	7
-
-struct Var
-{
-	char *name;		/* ascii name */
-	Word *val;	/* value */
-	int changed;
-	Code *fn;		/* pointer to function's code vector */
-	int fnchanged;
-	int pc;			/* pc of start of function */
-	Var *next;	/* next on hash or local list */
-	void	(*changefn)(Var*);
-};
-Var *vlook(char*), *gvlook(char*), *newvar(char*, Var*);
-
-#define	NVAR	521
-extern Var *gvar[NVAR];				/* hash for globals */
-
-#define	new(type)	((type *)emalloc(sizeof(type)))
-void *emalloc(long);
-void *Malloc(ulong);
-void efree(void*);
-#define	NOFILE	128		/* should come from <param.h> */
-
-struct Here
-{
-	Tree *tag;
-	char *name;
-	struct Here *next;
-};
-/*
- * Glob character escape in strings:
- *	In a string, GLOB must be followed by *?[ or GLOB.
- *	GLOB* matches any string
- *	GLOB? matches any single character
- *	GLOB[...] matches anything in the brackets
- *	GLOBGLOB matches GLOB
- */
-#define	GLOB	((char)0x01)
-/*
- * onebyte(c), twobyte(c), threebyte(c)
- * Is c the first character of a one- two- or three-byte utf sequence?
- */
-#define	onebyte(c)	((c&0x80)==0x00)
-#define	twobyte(c)	((c&0xe0)==0xc0)
-#define	threebyte(c)	((c&0xf0)==0xe0)
-#define	fourbyte(c)	((c&0xf8)==0xf0)
-
-extern char **argp;
-extern char **args;
-extern int nerror;		/* number of errors encountered during compilation */
-/*
- * Which fds are the reading/writing end of a pipe?
- * Unfortunately, this can vary from system to system.
- * 9th edition Unix doesn't care, the following defines
- * work on plan 9.
- */
-#define	PRD	0
-#define	PWR	1
-extern char *Rcmain, *Fdprefix;
-#define	register
-
-char *getstatus(void);
-
-/*
- * How many dot commands have we executed?
- * Used to ensure that -v flag doesn't print rcmain.
- */
-extern int ndot;
-extern int lastc;
-extern int lastword;
-extern int kidpid;
-extern int mypid;