text: #include <unistd.h>
  #include <signal.h>
  #include "ipc_constants.h"
  
  typedef void (*sighandler_t) (int);
  
  #ifdef NO_FORK_MODE
  struct IpcCommunication;
  void setCommunicationInstance(struct IpcCommunication *inst) {}
  #endif
  
  void *__ipc_replacement_internal_mmap(void *addr, size_t length, int prot, int flags, int fd, off_t offset){
  	return 0;
  }
  
  /*void *__ipc_replacement_internal_mremap(void *addr, size_t old_length, size_t length, int flags){
  	return 0;
  }*/
  
  void __ipc_replacement_internal_setSharedFDSize(){
  }
  
  sighandler_t __ipc_replacement_internal_signal(int signum, sighandler_t handler) {
  	return 0;
  }
  