nghttp2_session_callbacks_set_send_callback2 ============================================ Synopsis -------- *#include * .. function:: void nghttp2_session_callbacks_set_send_callback2( nghttp2_session_callbacks *cbs, nghttp2_send_callback2 send_callback) Sets callback function invoked when a session wants to send data to the remote peer. This callback is not necessary if the application uses solely `nghttp2_session_mem_send2()` to serialize data to transmit.