C SDK API Reference

Stable C ABI interface — the foundation for all language bindings.

• Error codes — status codes returned by all API functions
• Lifecycle — client handle creation and destruction
• Connection — establishing and disconnecting from the print service
• Network config — configuring device network (IP / mask / gateway)
• Parameters — reading and writing server configuration parameters
• Print data — sending print data to the server
• Events — subscribing to async event pushes from the server
• Logs — subscribing to remote log streaming (WatchLogs)
• Meta — error message queries and version info

Note: For the complete C API reference with all function signatures, parameters, return codes, and usage examples, see the Chinese documentation.