This example gets all the possible extended attributes (EAs) from the file "ATTRIB.EXE" in the OS2 directory, and then 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 */

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

   rc = DosEnumAttribute(ENUMEA_REFTYPE_PATH,   /* ASCIIZ string to be used   */
                         "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      */

   if (rc != NO_ERROR) {
      printf("DosEnumAttribute 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;
}