我的操作和系统信息如下： gyz@debian:$manpthread_mutex_lockNomanualentryforpthread_mutex_lockgyz@debian:$sudoapt-getinstallmanpages-posix-devReadingpackagelists...DoneBuildingdependencytreeReadingstateinformation...DoneE:Unabletolocatepackagemanpages-posix-devgyz@debian:$lsb_release-aNoLSBmodulesareavailable...