#include <windows.h>
#include <tchar.h>
int main(void) {
MEMORYSTATUSEX statex;
statex.dwLength = sizeof(statex);
GlobalMemoryStatusEx(&statex);
_tprintf(TEXT("%ld %% of memory in use\n"), statex.dwMemoryLoad);
return 0;
}
/*
run:
48 % of memory in use
*/