#include <dpmi.h> int __dpmi_allocate_dos_memory(int _paragraphs, int *_ret_selector_or_max);
Please refer to section DPMI Specification for details on DPMI function call operation. Also see section DPMI Overview for general information.
DPMI function AX = 0x0100
This function allocates DOS memory. You pass it the number of paragraphs ((bytes+15)>>4) to allocate. If it succeeds, it returns a segment (dos-style) and fills in _ret_selector_or_max with a selector (protected-mode) that you can use to reference the same memory. Note that it's the selector you use to free the block, not the segment.
-1 on error, else the segment [0000..FFFF].
not ANSI, not POSIX
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