FILE *mutt_open_read (const char *, pid_t *);
void set_quadoption (int, int);
int query_quadoption (int, const char *);
int quadoption (int);
FILE *mutt_open_read (const char *, pid_t *);
void set_quadoption (int, int);
int query_quadoption (int, const char *);
int quadoption (int);