#include <stdarg.h>

enum {
    VAL_TYPE_PTR    = 1<<0,
    VAL_TYPE_CHAR   = 1<<1,
    VAL_TYPE_SHORT  = 1<<2,
    VAL_TYPE_INT    = 1<<3,
    VAL_TYPE_LONG   = 1<<4,
    VAL_TYPE_FLOAT  = 1<<5,
    VAL_TYPE_DOUBLE = 1<<6
};

typedef enum {
    VAL_OK,
    VAL_MEMORY,
    VAL_LH,
    VAL_UNKNOWN
} val_rc_t;

struct val_s;
typedef struct val_s val_t;

val_rc_t val_create  (val_t **);
val_rc_t val_destroy (val_t *);
val_rc_t val_reg     (val_t *, const char *, int, void *);
val_rc_t val_set     (val_t *, const char *, ...);
val_rc_t val_get     (val_t *, const char *, ...);
val_rc_t val_vset    (val_t *, const char *, va_list);
val_rc_t val_vget    (val_t *, const char *, va_list);