void context_read(void);
void context_replace(char *, char *);
void context_save(void);
-char *copy(char *, char *);
char **copyip(char **, char **, int);
void cpydata(int, int, char *, char *);
void cpydgst(int, int, char *, char *);
int showfile(char **, char *);
int smatch(char *, struct swit *);
char *snprintb(char *, size_t, unsigned, char *);
-int isprefix(char *, char *);
int stringdex(char *, char *);
char *toabsdir(char *);
char *trimcpy(unsigned char *);