; ;Equates for LOCK ; ;LOCK functions ; Lock_all equ 0 Unlock_all equ 1 Lock_mul_range equ 2 Unlock_mul_range equ 3 Lock_read equ 4 Write_unlock equ 5 Lock_add equ 6 ; ;Structure for Lock buffer LockBuf STRUC Lock_position DD ? ; file position for LOCK Lock_length DD ? ; number of bytes to LOCK LockBuf ENDS ;