create_symbol
sym = create_symbol(stream, ptr->name, SYM_NODE, NS_SYMBOL);
struct symbol *sym = create_symbol(stream, name, SYM_NODE, NS_SYMBOL);
struct symbol *sym = create_symbol(stream, ptr->name, SYM_KEYWORD, ptr->ns);
struct symbol *sym = create_symbol(stream, name, SYM_KEYWORD,
sym = create_symbol(stream, normal[i].name, SYM_PREPROCESSOR, NS_PREPROCESSOR);
sym = create_symbol(stream, special[i].name, SYM_PREPROCESSOR, NS_PREPROCESSOR);
sym = create_symbol(stream, dynamic[i].name, SYM_NODE, NS_MACRO);
extern struct symbol *create_symbol(int stream, const char *name, int type, int namespace);