7.1 What is the BSORT function

The BSORT function is a generic name of the function to use PowerBSORT from the C language program. Five functions are provided.

BSORT function list

Function name	Overview
bsrtopen	This loads dynamic link library (DLL) of PowerBSORT into the virtual storage and requests the address of other functions. In addition, it prepares the execution environment of PowerBSORT.
bsrtclse	This deletes the execution environment of PowerBSORT. Also, it deletes dynamic link library (DLL) of PowerBSORT loaded into the virtual storage in bsrtopen function from the virtual storage.
bsrtput	This passes records from user applications to dynamic link library (DLL) of PowerBSORT in the sort option.
bsrtget	This receives the sorted record from dynamic link library (DLL) of PowerBSORT in the sort option.
bsrtmrge	This passes records from user application to dynamic link library (DLL) of PowerBSORT and receives the merged records from PowerBSORT in the merge option.

Combinations of functions

BSORT functions include five functions as shown in the BSORT function list.
Functions to be used depend on the options to use and forms of input and output. The combinations of BSORT functions that are related to the functions of PowerBSORT are shown below.

Table 7.1 Options of PowerBSORT for use and related BSORT function list
Function name	Sort option	Merge option	Copy option
bsrtopen	Always used	Always used	Always used
bsrtclse	Always used	Always used	Always used
bsrtput	Can be used	Not used	Not used
bsrtget	Can be used	Not used	Not used
bsrtmrge	Not used	Can be used	Not used