/*******************************************************************  uLan Communication - uL_DRV - multiplatform uLan driver  ul_djgpp.c	- DOS DJGPP specific routines  (C) Copyright 1996-2004 by Pavel Pisa - project originator        http://cmp.felk.cvut.cz/~pisa  (C) Copyright 1996-2004 PiKRON Ltd.        http://www.pikron.com  (C) Copyright 2002-2004 Petr Smolik    The uLan driver project can be used and distributed   in compliance with any of next licenses   - GPL - GNU Public License     See file COPYING for details.   - LGPL - Lesser GNU Public License   - MPL - Mozilla Public License   - and other licenses added by project originator  Code can be modified and re-distributed under any combination  of the above listed licenses. If contributor does not agree with  some of the licenses, he/she can delete appropriate line.  WARNING: if you delete all lines, you are not allowed to  distribute code or sources in any form. *******************************************************************/#ifdef ENABLE_UL_MEM_CHECKvoid * ul_mem_check_malloc(size_t size){ void *ptr;  ptr=malloc(size);  if(ptr){    ul_mem_check_counter++;  }  return ptr;}void ul_mem_check_free(void *ptr){  if(!ptr) {    LOG_FATAL(KERN_CRIT "ul_mem_check_free : triing to free NULL ptr\n");  }else{    ul_mem_check_counter--;    free(ptr);  }}#endif /* ENABLE_UL_MEM_CHECK */int request_irq(int irq,void *handler,int flags,char *name,void *dev_id){  HAL_INTERRUPT_ATTACH(irq,uld_irq_handler,dev_id);  HAL_INTERRUPT_UNMASK(irq);  return irq;}int free_irq(int irq,void *ctx){  HAL_INTERRUPT_MASK(irq);  HAL_INTERRUPT_DETACH(irq,uld_irq_handler);  return 0;}