DOS/32 Advanced DOS Extender - Programmer's Reference 2.27 - DPMI function 0304h - Free Real Mode Callback Address Releases a real mode callback address that was previously allocated with the Allocate Real Mode Callback Address DPMI function 0303h.
In: | AX = 0304h CX:DX = real mode callback address to be freed
Out: | if successful: CF clear if failed: CF set AX = error code 8024h - invalid callback address
Notes: a) Real mode callbacks are a limited system resource. Client should release any callback that it is no longer using. Copyright © DOS/32 Advanced Team 1996-2002 All Rights Reserved