#include "syslib.h"PUBLIC int sys_physcopy(src_proc, src_seg, src_vir, 	dst_proc, dst_seg, dst_vir, bytes)int src_proc;			/* source process */int src_seg;			/* source memory segment */vir_bytes src_vir;		/* source virtual address */int dst_proc;			/* destination process */int dst_seg;			/* destination memory segment */vir_bytes dst_vir;		/* destination virtual address */phys_bytes bytes;		/* how many bytes */{/* Transfer a block of data.  The source and destination can each either be a * process number or SELF (to indicate own process number). Virtual addresses  * are offsets within LOCAL_SEG (text, stack, data), REMOTE_SEG, or BIOS_SEG.  * Physicall addressing is also possible with PHYS_SEG. */  message copy_mess;  if (bytes == 0L) return(OK);  copy_mess.CP_SRC_PROC_NR = src_proc;  copy_mess.CP_SRC_SPACE = src_seg;  copy_mess.CP_SRC_ADDR = (long) src_vir;  copy_mess.CP_DST_PROC_NR = dst_proc;  copy_mess.CP_DST_SPACE = dst_seg;  copy_mess.CP_DST_ADDR = (long) dst_vir;  copy_mess.CP_NR_BYTES = (long) bytes;  return(_taskcall(SYSTASK, SYS_PHYSCOPY, &copy_mess));}