#include "syslib.h"PUBLIC int sys_memset(unsigned long pattern, phys_bytes base, phys_bytes bytes){/* Zero a block of data.  */  message mess;  if (bytes == 0L) return(OK);  mess.MEM_PTR = (char *) base;  mess.MEM_COUNT   = bytes;  mess.MEM_PATTERN = pattern;  return(_taskcall(SYSTASK, SYS_MEMSET, &mess));}