allprint prototype correction for 8-bit cleanness
weird debug message fix (my case was negative input() return values of pic)

Notes:
Sun Jan 29 11:20:18 EST 2006 rsc
    thanks!


Reference: /n/sources/patch/applied/lex-debug
Date: Sat Jan 28 17:27:50 CET 2006
Reviewed-by: rsc

--- /sys/src/cmd/lex/ncform	Sat Jan 28 17:27:48 2006
+++ /sys/src/cmd/lex/ncform	Sat Jan 28 17:27:43 2006
@@ -9,7 +9,7 @@
 extern struct yysvf *yyestate;
 int yyprevious = YYNEWLINE;
 # ifdef LEXDEBUG
-extern void allprint(char);
+extern void allprint(int);
 # endif
 yylook(void){
 	struct yysvf *yystate, **lsp;
@@ -113,7 +113,7 @@
 			}
 # ifdef LEXDEBUG
 		if(debug){
-			fprintf(yyout,"stopped at %d with ",*(lsp-1)-yysvec-1);
+			fprintf(yyout,"stopped at %d with ",lsp>yylstate?*(lsp-1)-yysvec-1:0);
 			allprint(yych);
 			putchar('\n');
 			}