librust-onig-sys-dev 69.2.0-1 (s390x binary) in ubuntu focal

 This crate exposes a set of unsafe functions which can then be used by other
 crates to create safe wrappers around Oniguruma.
 You probably don't want to link to this crate directly; instead check out the
 `onig` crate.
 .
 This package contains the source for the Rust onig_sys crate, packaged by
 debcargo for use with cargo and dh-cargo.