Function XPLMGetHotKeyInfo 

pub unsafe extern "C" fn XPLMGetHotKeyInfo(
    inHotKey: XPLMHotKeyID,
    outVirtualKey: *mut c_char,
    outFlags: *mut XPLMKeyFlags,
    outDescription: *mut c_char,
    outPlugin: *mut XPLMPluginID,
)

XPLMGetHotKeyInfo

Returns information about the hot key. Return NULL for any parameter you don’t want info about. The description should be at least 512 chars long.