C Packages

Listing 2 C Symbol Table Package

 int sym_util_debug = 0 ;   /* Global debug switch. */

                       /* Internal variables. */
 typedef struct symbol_node {
    ...
 } symbol_node ;
 static symbol_node *symbol_list = NULL ;

                        /* Public functions. */
 void sym_add (), sym_delete () ;
 int sym_lookup ();
                       /* Internal functions. */
 static symbol_node *sym_locate () ;


 void  sym_add (name, value)
    char *name ;
    int value ;
 {
    ... adds NAME/VALUE pair to the symbol table ...
 }

 void  sym_delete (name)
    char *name ;
 {
    ... deletes NAME from the symbol table ...
 }

 int  sym_lookup (name)
    char *name ;
 {
    ... returns NAME's value from the symbol table ...
 }
                      /* Internal function called
                        by the other functions. */
 static  symbol_node *sym_locate (name)
    char  *name ;
 {
    ... locates NAME's node in the symbol list ...
 }
/* End of File */