Read the system's "/proc/meminfo" special file and return the information in the form of a STRUCT with the following members: Key Type Value mem_total INT Total memory available, in bytes mem_used INT Total memory currently used, in bytes mem_free INT Memory remaining, in bytes mem_shared INT Memory being shared between processes, in bytes mem_buffers INT Number of memory buffers mem_cached INT Cached memory MemTotal STRING Total memory, in kB MemFree STRING Free memory, in kB MemShared STRING Shared memort, in kB Buffers STRING Memory buffers, in kB Cached STRING Cached memory, in kB SwapTotal STRING Total swap memory, in kB SwapFree STRING Available swap memory, in kB