AT_NULL
#define AT_NULL 0 /* Marks end of array */
#define AT_NULL 0 /* Marks end of array */
#define AT_NULL 0 /* Marks end of array */
#define AT_NULL 0 /* Marks end of array */
#define AT_NULL 0 /* Marks end of array */
#define AT_NULL 0 /* Marks end of array */