#ifndef HAVE_STRCASESTR
extern char* strcasestr(char *haystack, char *needle);
#endif

/* config options */
struct cfg_option {
    char *domain;
    char *section;
    char *entry;
};    
struct cfg_cmdline {
    char               *cmdline;
    struct cfg_option  option;
    char               *value;
    char               *desc;
    int                needsarg:1;
    int                yesno:1;
};
void   cfg_parse_cmdline(int *argc, char **argv, struct cfg_cmdline *opt);
void   cfg_help_cmdline(struct cfg_cmdline *opt, int w1, int w2, int w3);

/* file I/O */
int    cfg_parse_file(char *dname, char *filename);
int    cfg_write_file(char *dname, char *filename);

/* update */
void   cfg_set_str(char *dname, char *sname, char *ename, const char *value);
void   cfg_set_int(char *dname, char *sname, char *ename, int value);
void   cfg_set_bool(char *dname, char *sname, char *ename, int value);

void   cfg_del_section(char *dname, char *sname);
void   cfg_del_entry(char *dname, char *sname, char *ename);

/* search */
char*  cfg_sections_first(char *dname);
char*  cfg_sections_next(char *dname, char *current);
char*  cfg_sections_prev(char *dname, char *current);
int    cfg_sections_count(char *dname);
char*  cfg_sections_index(char *dname, int i);

char*  cfg_entries_first(char *dname, char *sname);
char*  cfg_entries_next(char *dname, char *sname, char *current);
char*  cfg_entries_prev(char *dname, char *sname, char *current);
int    cfg_entries_count(char *dname, char *sname);
char*  cfg_entries_index(char *dname, char *sname, int i);

#define cfg_sections_for_each(dname, item) \
	for (item = cfg_sections_first(dname); NULL != item; \
	     item = cfg_sections_next(dname,item))

char*  cfg_search(char *dname, char *sname, char *ename, char *value);

/* read */
char*  cfg_get_str(char *dname, char *sname, char *ename);
int    cfg_get_int(char *dname, char *sname, char *ename,
		   int def);
int    cfg_get_signed_int(char *dname, char *sname, char *ename,
			  unsigned int def);
float  cfg_get_float(char *dname, char *sname, char *ename);
int    cfg_get_bool(char *dname, char *sname, char *ename,
		    int def);

int    cfg_get_sflags(char *dname, char *sname);
int    cfg_get_eflags(char *dname, char *sname, char *ename);
int    cfg_set_sflags(char *dname, char *sname,
		      unsigned int mask, unsigned int bits);
int    cfg_set_eflags(char *dname, char *sname, char *ename,
		      unsigned int mask, unsigned int bits);