N_LOCKBYTE
# define FIRST_LOCKBYTE (0x000fffff - N_LOCKBYTE)
# define FIRST_LOCKBYTE (0xffffffff - N_LOCKBYTE)
lk = (lk & 0x7fffffff)%N_LOCKBYTE + 1;
UnlockFile(id->h, FIRST_LOCKBYTE+1, 0, N_LOCKBYTE, 0);
0, N_LOCKBYTE, 0, &ovlp);
lk = (lk & 0x7fffffff)%N_LOCKBYTE + 1;
params.ioParam.ioReqCount = N_LOCKBYTE;
UnlockFile(id->h, FIRST_LOCKBYTE+1, 0, N_LOCKBYTE, 0);
res = LockFile(id->h, FIRST_LOCKBYTE+1, 0, N_LOCKBYTE, 0);
params.ioParam.ioReqCount = N_LOCKBYTE;
UnlockFile(id->h, FIRST_LOCKBYTE+1, 0, N_LOCKBYTE, 0);
params.ioParam.ioReqCount = N_LOCKBYTE;