sh: Fix duplicate prototypes for builtins.

Have mkbuiltins write the prototypes for the *cmd functions to builtins.h
instead of builtins.c and include builtins.h in more .c files instead of
duplicating prototypes for *cmd functions in other headers.

bin/sh/alias.c

@@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$");
 #include "mystring.h"
 #include "alias.h"
 #include "options.h"	/* XXX for argptr (should remove?) */
+#include "builtins.h"
 
 #define ATABSIZE 39
 

bin/sh/alias.h

@@ -43,5 +43,3 @@ struct alias {
 };
 
 struct alias *lookupalias(const char *, int);
-int aliascmd(int, char **);
-int unaliascmd(int, char **);

bin/sh/arith.h

@@ -36,4 +36,3 @@
 
 arith_t arith(const char *);
 void arith_lex_reset(void);
-int expcmd(int, char **);

bin/sh/bltin/bltin.h

@@ -43,6 +43,7 @@
 #include "../mystring.h"
 #ifdef SHELL
 #include "../output.h"
+#include "builtins.h"
 #define FILE struct output
 #undef stdout
 #define stdout out1
@@ -75,7 +76,4 @@ pointer stalloc(int);
 void error(const char *, ...) __printf0like(1, 2);
 pid_t getjobpgrp(char *);
 
-int echocmd(int, char **);
-int testcmd(int, char **);
-
 extern char *commandname;

bin/sh/cd.c

@@ -63,6 +63,7 @@ __FBSDID("$FreeBSD$");
 #include "mystring.h"
 #include "show.h"
 #include "cd.h"
+#include "builtins.h"
 
 static int cdlogical(char *);
 static int cdphysical(char *);

bin/sh/cd.h

@@ -30,5 +30,3 @@
  */
 
 void	 pwd_init(int);
-int	 cdcmd (int, char **);
-int	 pwdcmd(int, char **);

bin/sh/eval.h

@@ -51,19 +51,10 @@ struct backcmd {		/* result of evalbackcmd */
 #define EV_TESTED 02		/* exit status is checked; ignore -e flag */
 #define EV_BACKCMD 04		/* command executing within back quotes */
 
-int evalcmd(int, char **);
 void evalstring(char *, int);
 union node;	/* BLETCH for ansi C */
 void evaltree(union node *, int);
 void evalbackcmd(union node *, struct backcmd *);
-int bltincmd(int, char **);
-int breakcmd(int, char **);
-int returncmd(int, char **);
-int falsecmd(int, char **);
-int truecmd(int, char **);
-int execcmd(int, char **);
-int timescmd(int, char **);
-int commandcmd(int, char **);
 
 /* in_function returns nonzero if we are currently evaluating a function */
 #define in_function()	funcnest

bin/sh/exec.h

@@ -66,7 +66,6 @@ extern int exerrno;		/* last exec error */
 
 void shellexec(char **, char **, const char *, int) __dead2;
 char *padvance(const char **, const char *);
-int hashcmd(int, char **);
 void find_command(const char *, struct cmdentry *, int, const char *);
 int find_builtin(const char *, int *);
 void hashcd(void);
@@ -75,5 +74,4 @@ void addcmdentry(const char *, struct cmdentry *);
 void defun(const char *, union node *);
 int unsetfunc(const char *);
 int typecmd_impl(int, char **, int, const char *);
-int typecmd(int, char **);
 void clearcmdentry(void);

bin/sh/expand.c

@@ -76,6 +76,7 @@ __FBSDID("$FreeBSD$");
 #include "mystring.h"
 #include "arith.h"
 #include "show.h"
+#include "builtins.h"
 
 /*
  * Structure specifying which parts of the string should be searched

bin/sh/expand.h

@@ -63,4 +63,3 @@ void expari(int);
 int patmatch(const char *, const char *, int);
 void rmescapes(char *);
 int casematch(union node *, const char *);
-int wordexpcmd(int, char **);

bin/sh/histedit.c

@@ -59,6 +59,7 @@ __FBSDID("$FreeBSD$");
 #include "error.h"
 #include "eval.h"
 #include "memalloc.h"
+#include "builtins.h"
 
 #define MAXHISTLOOPS	4	/* max recursions through fc */
 #define DEFEDITOR	"ed"	/* default editor *should* be $EDITOR */

bin/sh/jobs.c

@@ -71,6 +71,7 @@ __FBSDID("$FreeBSD$");
 #include "error.h"
 #include "mystring.h"
 #include "var.h"
+#include "builtins.h"
 
 
 static struct job *jobtab;	/* array of jobs */

bin/sh/jobs.h

@@ -88,12 +88,7 @@ extern int in_dowait;		/* are we in dowait()? */
 extern volatile sig_atomic_t breakwaitcmd; /* break wait to process traps? */
 
 void setjobctl(int);
-int fgcmd(int, char **);
-int bgcmd(int, char **);
-int jobscmd(int, char **);
 void showjobs(int, int);
-int waitcmd(int, char **);
-int jobidcmd(int, char **);
 struct job *makejob(union node *, int);
 pid_t forkshell(struct job *, union node *, int);
 int waitforjob(struct job *, int *);

bin/sh/main.c

@@ -72,6 +72,7 @@ __FBSDID("$FreeBSD$");
 #include "mystring.h"
 #include "exec.h"
 #include "cd.h"
+#include "builtins.h"
 
 int rootpid;
 int rootshell;

bin/sh/main.h

@@ -39,5 +39,3 @@ extern struct jmploc main_handler;	/* top level exception handler */
 
 void readcmdfile(const char *);
 void cmdloop(int);
-int dotcmd(int, char **);
-int exitcmd(int, char **);

bin/sh/mkbuiltins

@@ -58,9 +58,7 @@ cat <<\!
 !
 awk '/^[^#]/ {if(('$havejobs' || $2 != "-j") && ('$havehist' || $2 != "-h")) \
     print $0}' builtins.def | sed 's/-[hj]//' > $temp
-awk '{	printf "int %s(int, char **);\n", $1}' $temp
-echo '
-int (*const builtinfunc[])(int, char **) = {'
+echo 'int (*const builtinfunc[])(int, char **) = {'
 awk '/^[^#]/ {	printf "\t%s,\n", $1}' $temp
 echo '};
 
@@ -94,5 +92,7 @@ struct builtincmd {
 };
 
 extern int (*const builtinfunc[])(int, char **);
-extern const struct builtincmd builtincmd[];'
+extern const struct builtincmd builtincmd[];
+'
+awk '{	printf "int %s(int, char **);\n", $1}' $temp
 rm -f $temp

bin/sh/myhistedit.h

@@ -39,8 +39,6 @@ extern int displayhist;
 void histedit(void);
 void sethistsize(const char *);
 void setterm(const char *);
-int histcmd(int, char **);
 int not_fcnumber(const char *);
 int str_to_event(const char *, int);
-int bindcmd(int, char **);
 

bin/sh/options.c

@@ -56,6 +56,7 @@ __FBSDID("$FreeBSD$");
 #include "memalloc.h"
 #include "error.h"
 #include "mystring.h"
+#include "builtins.h"
 #ifndef NO_HISTORY
 #include "myhistedit.h"
 #endif

bin/sh/options.h

@@ -108,8 +108,5 @@ void procargs(int, char **);
 void optschanged(void);
 void setparam(char **);
 void freeparam(struct shparam *);
-int shiftcmd(int, char **);
-int setcmd(int, char **);
-int getoptscmd(int, char **);
 int nextopt(const char *);
 void getoptsreset(const char *);

bin/sh/trap.c

@@ -55,6 +55,7 @@ __FBSDID("$FreeBSD$");
 #include "error.h"
 #include "trap.h"
 #include "mystring.h"
+#include "builtins.h"
 #include "myhistedit.h"
 
 

bin/sh/trap.h

@@ -37,7 +37,6 @@ extern int pendingsigs;
 extern int in_dotrap;
 extern volatile sig_atomic_t gotwinch;
 
-int trapcmd(int, char **);
 void clear_traps(void);
 int have_traps(void);
 void setsignal(int);

bin/sh/var.c

@@ -63,6 +63,7 @@ __FBSDID("$FreeBSD$");
 #include "error.h"
 #include "mystring.h"
 #include "parser.h"
+#include "builtins.h"
 #ifndef NO_HISTORY
 #include "myhistedit.h"
 #endif

bin/sh/var.h

@@ -123,11 +123,7 @@ void updatecharset(void);
 void initcharset(void);
 char **environment(void);
 int showvarscmd(int, char **);
-int exportcmd(int, char **);
-int localcmd(int, char **);
 void mklocal(char *);
 void poplocalvars(void);
-int setvarcmd(int, char **);
-int unsetcmd(int, char **);
 int unsetvar(const char *);
 int setvarsafe(const char *, const char *, int);