This sample gets all the extended attributes (EAs) from a file named "ATTRIB.EXE" in the OS2 directory, and displays the names.

 #define INCL_DOSFILEMGR   /* File Manager values */
 #define INCL_DOSERRORS    /* DOS error values    */
 #include <os2.h>
 #include <stdio.h>

int main(VOID) {
   UCHAR    EnumBuf[200] = {0};      /* Data Buffer */
   ULONG    ulEnumCnt    = 0;        /* Count of entries to return */
   FEA2     *ptr         = NULL;     /* Pointer to data items returned */
   ULONG    ulTemp       = 0;
   APIRET   rc           = NO_ERROR; /* Return code  */
   ULONG    i            = 0;        /* Loop index */
   FHLOCK FileHandleLock = 0;        /* File handle lock   */

   ulEnumCnt = (ULONG)-1; /* Request as many attributes as will fit in buffer */

   rc = DosProtectEnumAttribute(ENUMEA_REFTYPE_PATH,   /* ASCIIZ string       */
                         "c:\\os2\\attrib.exe", /* Name of file               */
                         1L,                    /* Start with first attribute */
                         (PVOID)&EnumBuf,       /* Buffer for information     */
                         sizeof(EnumBuf),
                         &ulEnumCnt,
                         ENUMEA_LEVEL_NO_VALUE,  /* Request level 1 info      */
                         FileHandleLock);       /* File handle lock           */
   if (rc != NO_ERROR) {
      printf("DosProtectEnumAttribute error: return code = %u\n", rc);
      return 1;
   }

   ptr = (FEA2 *)EnumBuf; /* Mask the buffer pointer to an FEA2 structure */

   printf ("Attributes found = %u\n", ulEnumCnt);

   for (i = 0; i < ulEnumCnt; i++) {
      printf ("name = %s\n", ptr->szName);       /* increment the ptr */
      ulTemp = ptr->oNextEntryOffset + (ULONG)ptr; /* with the value in */
      ptr = (FEA2 *)ulTemp;                      /* oNextEntryOffset  */
   } /* endfor */                                /* to access next record */

   return NO_ERROR;
}