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#include <dpmi.h int _go32_dpmi_get_free_memory_information(_go32_dpmi_meminfo *info); |
This function fills in the following structure:
typedef struct {
u_long available_memory;
u_long available_pages;
u_long available_lockable_pages;
u_long linear_space;
u_long unlocked_pages;
u_long available_physical_pages;
u_long total_physical_pages;
u_long free_linear_space;
u_long max_pages_in_paging_file;
u_long reserved[3];
} _go32_dpmi_meminfo;
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The only field that is guaranteed to have useful data is
available_memory. Any unavailable field has -1 in it.
Zero on success, nonzero on failure.
| ANSI/ISO C | No |
| POSIX | No |
int phys_mem_left()
{
_go32_dpmi_meminfo info;
_go32_dpmi_get_free_memory_information(&info);
if (info.available_physical_pages != -1)
return info.available_physical_pages * 4096;
return info.available_memory;
}
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