This example creates and deletes a file named "TEST.DAT".

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

int main(void) {
   HFILE  hfFileHandle    = 0L;          /* File Handle */
   ULONG  ulAction        = 0;           /* Action taken */
   UCHAR  uchFileName[20] = "test.dat";  /* File path name */
   APIRET rc              = NO_ERROR;    /* Return code */

   /* Create the file test.dat */

   rc = DosOpen(uchFileName,
                &hfFileHandle,
                &ulAction,
                10L,
                FILE_NORMAL,
                FILE_CREATE,
                OPEN_ACCESS_WRITEONLY | OPEN_SHARE_DENYNONE,
                0L);
   if (rc != NO_ERROR) {
      printf("DosOpen error: return code = %u\n", rc);
      return 1;
   } else {
     printf("DosOpen:   File created = %s\n", uchFileName);
   } /* endif */

   rc = DosClose(hfFileHandle);        /* Close the file */
   if (rc != NO_ERROR) {
     printf("DosClose error: return code = %u\n", rc);
     return 1;
   } /* endif */

   /* Delete file "test.dat" from current directory */

   rc = DosDelete(uchFileName);
   if(rc != NO_ERROR) {
     printf("DosDelete error: return code = %u\n", rc);
     return 1;
   } else {
     printf("DosDelete: File deleted = %s\n", uchFileName);
   } /* endif */

   return NO_ERROR;
}