#define SSL_ERROR_WANT_READ 2
#define SSL_ERROR_WANT_WRITE 3
#define SSL_ERROR_WANT_X509_LOOKUP 4
-#define SSL_ERROR_SYSCALL 5 /* look at errno */
+#define SSL_ERROR_SYSCALL 5 /* look at error stack/return value/errno */
#define SSL_ERROR_ZERO_RETURN 6
#define SSL_ERROR_WANT_CONNECT 7