Library function codes

Detailed Description

Return values for try_to_add_libfunc() and apply_idasgn_to()

Macros
#define	LIBFUNC_FOUND   0
	ok, library function is found
#define	LIBFUNC_NONE   1
	no, this is not a library function
#define	LIBFUNC_DELAY   2
	no decision because of lack of information