Use libbsd instead of internal funcs

Packages describing “libbsd” as local USE flag

Package “libbsd” Flag Description
net-misc/ntpsec Use libbsd instead of internal funcs
net-libs/zeromq Use strlcpy() from dev-libs/libbsd instead of internal implementation.
sys-apps/iproute2 Use dev-libs/libbsd instead of internal funcs

All packages providing a “libbsd” USE flag (2)