Function steamworks_sys::SteamAPI_ISteamApps_GetAppInstallDir

pub unsafe extern "C" fn SteamAPI_ISteamApps_GetAppInstallDir(
    self_: *mut ISteamApps, 
    appID: AppId_t, 
    pchFolder: *mut c_char, 
    cchFolderBufferSize: uint32
) -> uint32