Symbol: BIO_CTRL_DGRAM_GET_FALLBACK_MTU
crypto/openssl/crypto/bio/bss_dgram.c
713
case BIO_CTRL_DGRAM_GET_FALLBACK_MTU:
crypto/openssl/ssl/d1_lib.c
376
mtu = BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_GET_FALLBACK_MTU, 0, NULL);