#define FETCHNAME(sp) (((struct strdesc *)(sp)->s_name)->sd_string)
#define STRLEN(sp) (((struct strdesc *)(sp)->s_name)->sd_strlen)
#define STROFF(sp) (((struct strdesc *)(sp)->s_name)->sd_stroff)
#define FETCHNAME(sp) (((struct strdesc *)(sp)->s_name)->sd_string)
#define STRLEN(sp) (((struct strdesc *)(sp)->s_name)->sd_strlen)
#define STROFF(sp) (((struct strdesc *)(sp)->s_name)->sd_stroff)