symbol.h question

[Randy Dunlap <rdunlap@xxxxxxxxxxxxx>]

Hi,

What is the purpose/meaning of these inline + extern in symbol.h?

static inline int is_ptr_type(struct symbol *type)
{
	if (type->type == SYM_NODE)
		type = type->ctype.base_type;
	return type->type == SYM_PTR || type->type == SYM_ARRAY || type->type == SYM_FN;
}

///later:

extern int is_ptr_type(struct symbol *);

thanks,
-- 
~Randy
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