VLC_EXPORT( int, var_InheritURational, ( vlc_object_t *, unsigned *num, unsigned *den, const char *var ) );
#define var_InheritURational(a,b,c,d) var_InheritURational(VLC_OBJECT(a), b, c, d)
VLC_EXPORT( int, var_InheritURational, ( vlc_object_t *, unsigned *num, unsigned *den, const char *var ) );
#define var_InheritURational(a,b,c,d) var_InheritURational(VLC_OBJECT(a), b, c, d)