libjson-c-dev 0.15-3~ubuntu1.22.04.1 (riscv64 binary) in ubuntu jammy

 This library allows you to easily construct JSON objects in C,
 output them as JSON formatted strings and parse JSON formatted
 strings back into the C representation of JSON objects.
 .
 The development headers for compiling programs that use libjson-c
 are provided by this package.