SSL_CTX_set_tlsext_use_srtp
LSSL_ALIAS(SSL_CTX_set_tlsext_use_srtp);
LSSL_USED(SSL_CTX_set_tlsext_use_srtp);
int SSL_CTX_set_tlsext_use_srtp(SSL_CTX *ctx, const char *profiles);
SSL_CTX_set_tlsext_use_srtp(ctx, cfg.srtp_profiles);
SSL_CTX_set_tlsext_use_srtp(ctx, cfg.srtp_profiles);