## Presentation Device Driver Reference for OS/2

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### SplPdQuery - Syntax

Description:

SplPdQuery is an API exported by poirt drivers. It is called by PrtQuery to acquire information about the print device.

    #define INCL_SPL

    #define INCL_SPLBIDI

    #include <os2.h>

    PSZ       pszPortName;  /*  Port name. */

    ULONG     ulType;       /*  Type of query and options. */

    ULONG     ulCommand;    /*  Generic command code. */

    PVOID     pInData;      /*  May contain information required by SplPdQuery. */

    ULONG     cbInData;     /*  Length of information in pInData, in bytes. */

    PVOID     pOutData;     /*  Return buffer. */

    PULONG    pcbOutData;   /*  Points to the length of the output buffer. */

    ULONG     rc;           /*  Return codes. */

    rc = SplPdQuery(pszPortName, ulType, ulCommand,

           pInData, cbInData, pOutData, pcbOutData);