Current File : //usr/share/zsh/5.0.7/functions/Completion/Zsh/_functions

#compdef unfunction

local expl ffilt

zstyle -t ":completion:${curcontext}:functions" prefix-needed && \
 [[ $PREFIX != [_.]* ]] && \
 ffilt='[(I)[^_.]*]'

_wanted functions expl 'shell function' compadd -k "$@" - "functions$ffilt"