ISP_mem_alloc

#include <isp.h>

typedef struct ISP_mem_alloc {
    ISP    ISP_mem_a_hdr;  // Standard header
    USHORT ISP_mem_size;   // size of memory to allocate, in bytes
    ULONG  ISP_mem_ptr;    // address of memory block (returned)
    USHORT ISP_mem_type;   // med type code for memory block
    UCHAR  ISP_mem_flags;  // allocation flags; see below
    UCHAR  ISP_pad3[3];    // Pad to DWORD boundary
} ISP_mem_alloc, *PISP_mem_alloc;

Contains information for a ISP_ALLOC_MEM function.

ISP_mem_flags

Allocation flags. Can be a combination of these values:

ISP_M_FL_INTERRUPT_TIME	Must be set if allocation is at asynchronous time.
ISP_M_FL_MUST_SUCCEED	IOS will not fail the allocation.
ISP_M_FL_SMART_ALLOC	Heap allocation if not MS-DOS pager.
ISP_M_FL_USE_SYSTEM_HEAP	Don't allocate from IOS heap.