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/* The SETUP.C program must be compiled and run before this example */
/* can be executed. */

#include <stdio.h>
#include "pxengine.h"

#define TABLENAME  "table"

TABLEHANDLE   tblHandle;
RECORDHANDLE  recHandle;
BLOBHANDLE    blbHandle;
PXCODE        pxErr;

char          buffer[256];     /* Buffer to read BLOB data into. */
unsigned long read_size;       /* Number of bytes to read from blob. */

int main(void)
{
  PXInit();

  /* Open a table that contains a BLOB field at field 4. */

  PXTblOpen(TABLENAME, &tblHandle, 0, 0);
  PXRecBufOpen(tblHandle, &recHandle);
  PXRecGet(tblHandle, recHandle);

  /* Open a BLOB for reading only. */

  PXBlobOpenRead(recHandle, 4, &blbHandle);

  PXBlobGetSize(blbHandle, &read_size);

  if (read_size > sizeof(buffer))
      read_size = sizeof(buffer);

  /* Read data into buffer from BLOB associated with field 4. */

  if((pxErr = PXBlobGet(blbHandle, (unsigned) read_size, 0, buffer))
    != PXSUCCESS)
    printf("%s\n", PXErrMsg(pxErr));
  PXBlobClose(blbHandle, PXBLOBACCEPT);
  PXRecBufClose(recHandle);
  PXTblClose(tblHandle);
  PXExit();
  return (pxErr);
}