--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lwbasic/symtab.h	Fri Jan 28 22:35:04 2011 -0700
@@ -0,0 +1,61 @@
+/*
+symtab.h
+
+Copyright © 2011 William Astle
+
+This file is part of LWTOOLS.
+
+LWTOOLS is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+Symbol table handling
+*/
+
+#ifndef __symtab_h_seen__
+#define __symtab_h_seen__
+
+#ifndef __symtab_c_seen__
+#define __E extern
+#else
+#define __E
+#endif
+
+/*
+the meaning of "addr" and "symtype" is defined by the particular context
+in which the symbol table is used
+*/
+typedef struct symtab_entry_s symtab_entry_t;
+struct symtab_entry_s
+{
+	char *name;				/* name of the symbol */
+	int addr;				/* address of symbol */
+	int symtype;			/* type of symbol */
+	
+	symtab_entry_t *next;	/* next in the list */
+};
+
+typedef struct symtab_s
+{
+	symtab_entry_t *head;
+} symtab_t;
+
+__E symtab_t *symtab_init(void);
+__E void symtab_destroy(symtab_t *st);
+__E symtab_entry_t *symtab_find(symtab_t *st, char *name);
+__E void symtab_register(symtab_t *st, char *name, int addr, int symtype);
+
+#undef __E
+
+#endif /* __symtab_h_seen__ */