libgtk-3-dev 3.22.28-1ubuntu1 (i386 binary) in ubuntu bionic

 GTK+ is a multi-platform toolkit for creating graphical user
 interfaces. Offering a complete set of widgets, GTK+ is suitable
 for projects ranging from small one-off tools to complete application
 suites.
 .
 This package contains the header and development files which are
 needed for building GTK+ applications.

Details

Package version:
3.22.28-1ubuntu1
Source:
gtk+3.0 3.22.28-1ubuntu1 source package in Ubuntu
Status:
Superseded
Component:
main
Priority:
Optional