tls_ssl_error
rv = (ssize_t)tls_ssl_error(ctx, ctx->ssl_conn, ssl_ret, "read");
rv = (ssize_t)tls_ssl_error(ctx, ctx->ssl_conn, ssl_ret, "write");
rv = tls_ssl_error(ctx, ctx->ssl_conn, ssl_ret,
rv = tls_ssl_error(ctx, ctx->ssl_conn, ssl_ret, "handshake");
int tls_ssl_error(struct tls *ctx, SSL *ssl_conn, int ssl_ret,
rv = tls_ssl_error(ctx, ctx->ssl_conn, ssl_ret, "handshake");