Symbol: SSL_CB_HANDSHAKE_START
lib/libssl/ssl_clnt.c
220
ssl_info_callback(s, SSL_CB_HANDSHAKE_START, 1);
lib/libssl/ssl_srvr.c
225
ssl_info_callback(s, SSL_CB_HANDSHAKE_START, 1);
lib/libssl/tls13_internal.h
83
#define TLS13_INFO_HANDSHAKE_STARTED SSL_CB_HANDSHAKE_START