Install software or update encounter the following problems:
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lib32ncurses5-dev is already the newest version (6.0 + 20160213-1ubuntu1).
You may need to run "apt-get -f install" to correct the following errors:
The following packages have unmet dependencies:
lib32ncurses5-dev: dependence: lib32c-dev but can not install it
lib32tinfo-dev: dependence: lib32c-dev but it can not be installed
lib32z1-dev: dependency: zlib1g-dev (= 1: 1.2.8.dfsg-2ubuntu4) but it can not be mounted
reliance: lib32c-dev but it can not be installed
libc6-amd64: i386: dependency: libc6: i386 (= 2.23-0ubuntu10) but it can not be installed
libc6-dbg: dependency: libc6 (= 2.23-0ubuntu5) about to be installed but 2.23-0ubuntu10
libc6-dev: dependency: libc-dev-bin (= 2.23-0ubuntu10) but 2.23-0ubuntu5 about to be installed
libc6-dev-amd64: i386: dependence: libc6-dev: i386 (= 2.23-0ubuntu10) but can not install it
recommended: gcc-multilib: i386 but it can not be installed
E: there are unmet dependencies. Try not specify the name of the package to run "apt-get -f install" (you can also specify a solution).
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A bunch of questions, Ubuntu source in question, can not use! ! ! A pile of garbage. . . . . .