/*TITLE quantum file header */

/****keyword-flag*** "%v %f %n" */
/* "8 2-Sep-92,19:56:00 QUANTUM.H" */

/****revision-history****/
/*1 QUANTUM.H 13-Mar-91,18:13:28 Quantum file header.                         */
/*2 QUANTUM.H 13-Mar-91,18:22:36 Added prototype for                          */
/*       create_main_object.                                                  */
/*3 QUANTUM.H 9-Apr-91,10:14:10 Deleted typedefs that are used                */
/*       only in quantum.c.                                                   */
/*     Prefixed qf_ to functions that are visible outside quantum.c.          */
/*     Added StorageType for possible later use of EMS buffers.               */
/*     Added StatusType for return values from functions.                     */
/*     The qf_create_main_object function now takes the object number         */
/*       as an argument rather than assigning it itself.                      */
/*     Added qf_flush_buffers to make sure the buffers have been              */
/*       written to the disk.                                                 */
/*4 QUANTUM.H 6-Jul-91,13:43:14 Changed unsigned to unsigned short for        */
/*       compatibility with other compilers.                                  */
/*5 QUANTUM.H 25-Aug-91,11:37:18 Removed storagetype definition.              */
/*6 QUANTUM.H 16-May-92,8:12:08 Added prototype for Megasort.                 */
/*7 QUANTUM.H 20-Aug-92,20:40:56 Changed argument to Megasort to unsigned     */
/*       char so it will work properly with high characters.                  */
/*8 QUANTUM.H 2-Sep-92,19:56:00 Added new typedef "ItemSize".                 */
/*     Used the new type to declare the "item_size" argument to               */
/*       "qf_store_item" and "qf_get_item".                                   */
/****revision-history****/

typedef unsigned short ObjectNumber;
typedef unsigned short ArrayIndex;
typedef unsigned short ItemSize;

enum statustype {OKAY,ERROR};
typedef enum statustype StatusType;


FILE *qf_open_quantum_file(char *filename, int buffer_count);

StatusType qf_create_main_object(FILE *quantum_file, ObjectNumber object_number,
ArrayIndex item_count);

StatusType qf_store_item(FILE *quantum_file, ObjectNumber main_object_number, 
ArrayIndex element_index, char *item, ItemSize item_size);

StatusType qf_get_item(FILE *quantum_file, ObjectNumber main_object_number, 
ArrayIndex element_index, char **item, ItemSize *item_size);

void qf_flush_buffers(FILE *quantum_file);

StatusType qf_close_quantum_file(FILE *quantum_file);

void Megasort(unsigned char **PtrArray, unsigned short *RecNums, int KeyLength, 
char KeyType, unsigned ArraySize);