--- a/mc-parse.h	Sun Nov 28 04:16:27 2004 +0900
+++ b/mc-parse.h	Mon Nov 29 04:15:38 2004 +0900
@@ -1,21 +1,34 @@
 /* for mc-parse.c */
 
-extern int sym,type,mode,stmode,ctmode;
-extern int labelno,gpc,disp;
-extern int args,init_vars;
-extern int cslabel,control;
-extern NMTBL *nptr,*gnptr;
-extern NMTBL *fnptr;
-extern int gtypedefed;
-extern int retlabel,retpending,retcont;
-extern int pending_jmp;
-extern int chk;
-extern int bit_field_disp;
-extern int fields;
-extern int struct_return;
-extern int lastexp;
-extern int debug; 
-extern int decl_str_init;
+extern int sym;             /* next symbol */
+extern int type;            /* current type */
+extern int mode;            /* grammer mode (STAT,ADECL) */
+extern int stmode;          /* storage mode (STATIC,EXTRN) */
+extern int ctmode;          /* constant mode */
+extern int labelno;         /* label number */
+extern int gpc;             /* global variable size (unused?) */
+extern int disp;            /* local variable offset */
+extern int args;            /* function arguments */
+extern int init_vars;       /* variable initialize list in local decl */
+extern int cslabel;         /* case label */
+extern int control;         /* control is reached */
+extern NMTBL *nptr;         /* current name table */
+extern NMTBL *gnptr;        /* currrent global name table (unsed?) */
+extern NMTBL *fnptr;        /* current function name table */
+extern int gtypedefed;      /* global typedef list */
+extern int retlabel;        /* return label */
+extern int retpending;      /* jump to return label suspended */
+extern int retcont;         /* continuation label */
+extern int pending_jmp;     /* suspended jump label */
+extern int chk;             /* no code generation */
+extern int bit_field_disp;  /* bit field bit offset */
+extern int fields;          /* struct field */
+extern int struct_return;   /* temporal return structure variable */
+extern int lastexp;         /* last expression in statement expressoin */
+extern int debug;           /* debug flag */
+extern int decl_str_init;   /* partial structure initializer */
+
+extern int parse;   /* parse tree */
 
 /*
           STRING         nptr
@@ -27,28 +40,31 @@
           TYPE           nptr
  */
 
+/* memory pool structure */
+/*    extendable         */
 typedef struct cheap
 {
-    char *ptr;
+    char *ptr;			/* current pointer */
     char *last;
     char *first;
-    struct cheap *next;
+    struct cheap *next; 	/* previous cheap  */
 } CHEAP;
 
 
 /* used in mc-macro.c */
 
-extern int asmf;
-extern int ch;
-extern int chptrsave; 
-extern int chsave; 
-extern char linebuf[LBUFSIZE],*chptr;
-extern int glineno; 
-extern int in_comment; 
-extern int in_quote; 
-extern int lfree; 
-extern int lineno; 
-extern int lsrc; 
+extern int asmf;             /* assembler generating mode (old) */
+extern int ch;               /* current character */
+extern int chptrsave;        /* nested character pointer */
+extern int chsave;           /* saved current character */
+extern char linebuf[LBUFSIZE];   /* line buffer */
+extern char *chptr;          /* current character pointer */
+extern int glineno;          /* total lineno */
+extern int in_comment;       /* tokenizer mode */
+extern int in_quote;         /* tokenizer mode */
+extern int lfree;            /* local free heap top */
+extern int lineno;           /* lineno in current file */
+extern int lsrc;             /* source listing flag */
 extern char *include_path[MAX_INCLUDE_PATH_COUNT];
 
 /* used in mc-code-* */
@@ -61,12 +77,13 @@
 
 extern void free_glist3(int e1);
 extern void free_glist3_a(int e1);
-extern int csvalue1;
-extern int blabel,dlabel;
+extern int csvalue1;	     /* current switch variable */
+extern int blabel;           /* break label in switch */
+extern int dlabel;           /* default label in switch */
 
 /* used in mc-tree.c */
 
-extern int typedefed;
+extern int typedefed;        /* accumlated typedef name */
 
 /* global variable end */