struct _string_ { struct _strref_ *primary; /* primary reference */ Uint ref; /* number of references + const bit */ unsigned short len; /* string length */ char text[1]; /* actual characters following this struct */ }; extern void str_init P((void)); extern string *str_new P((char*, long)); # define str_ref(s) ((s)->ref++) extern void str_del P((string*)); extern Uint str_put P((string*, Uint)); extern void str_clear P((void)); extern int str_cmp P((string*, string*)); extern string *str_add P((string*, string*)); extern unsigned short str_index P((string*, long)); extern void str_ckrange P((string*, long, long)); extern string *str_range P((string*, long, long));