winapi::um::fileapi

Function GetDiskFreeSpaceA

Source 
pub unsafe extern "system" fn GetDiskFreeSpaceA(
    lpRootPathName: LPCSTR,
    lpSectorsPerCluster: LPDWORD,
    lpBytesPerSector: LPDWORD,
    lpNumberOfFreeClusters: LPDWORD,
    lpTotalNumberOfClusters: LPDWORD,
) -> BOOL