--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/curl/lib/arpa_telnet.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,108 @@
+#ifndef HEADER_CURL_ARPA_TELNET_H
+#define HEADER_CURL_ARPA_TELNET_H
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at https://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+#ifndef CURL_DISABLE_TELNET
+/*
+ * Telnet option defines. Add more here if in need.
+ */
+#define CURL_TELOPT_BINARY   0  /* binary 8bit data */
+#define CURL_TELOPT_ECHO     1  /* just echo! */
+#define CURL_TELOPT_SGA      3  /* Suppress Go Ahead */
+#define CURL_TELOPT_EXOPL  255  /* EXtended OPtions List */
+#define CURL_TELOPT_TTYPE   24  /* Terminal TYPE */
+#define CURL_TELOPT_NAWS    31  /* Negotiate About Window Size */
+#define CURL_TELOPT_XDISPLOC 35 /* X DISPlay LOCation */
+
+#define CURL_TELOPT_NEW_ENVIRON 39  /* NEW ENVIRONment variables */
+#define CURL_NEW_ENV_VAR   0
+#define CURL_NEW_ENV_VALUE 1
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+/*
+ * The telnet options represented as strings
+ */
+static const char * const telnetoptions[]=
+{
+  "BINARY",      "ECHO",           "RCP",           "SUPPRESS GO AHEAD",
+  "NAME",        "STATUS",         "TIMING MARK",   "RCTE",
+  "NAOL",        "NAOP",           "NAOCRD",        "NAOHTS",
+  "NAOHTD",      "NAOFFD",         "NAOVTS",        "NAOVTD",
+  "NAOLFD",      "EXTEND ASCII",   "LOGOUT",        "BYTE MACRO",
+  "DE TERMINAL", "SUPDUP",         "SUPDUP OUTPUT", "SEND LOCATION",
+  "TERM TYPE",   "END OF RECORD",  "TACACS UID",    "OUTPUT MARKING",
+  "TTYLOC",      "3270 REGIME",    "X3 PAD",        "NAWS",
+  "TERM SPEED",  "LFLOW",          "LINEMODE",      "XDISPLOC",
+  "OLD-ENVIRON", "AUTHENTICATION", "ENCRYPT",       "NEW-ENVIRON"
+};
+#endif
+
+#define CURL_TELOPT_MAXIMUM CURL_TELOPT_NEW_ENVIRON
+
+#define CURL_TELOPT_OK(x) ((x) <= CURL_TELOPT_MAXIMUM)
+#define CURL_TELOPT(x)    telnetoptions[x]
+
+#define CURL_NTELOPTS 40
+
+/*
+ * First some defines
+ */
+#define CURL_xEOF 236 /* End Of File */
+#define CURL_SE   240 /* Sub negotiation End */
+#define CURL_NOP  241 /* No OPeration */
+#define CURL_DM   242 /* Data Mark */
+#define CURL_GA   249 /* Go Ahead, reverse the line */
+#define CURL_SB   250 /* SuBnegotiation */
+#define CURL_WILL 251 /* Our side WILL use this option */
+#define CURL_WONT 252 /* Our side WON'T use this option */
+#define CURL_DO   253 /* DO use this option! */
+#define CURL_DONT 254 /* DON'T use this option! */
+#define CURL_IAC  255 /* Interpret As Command */
+
+#ifndef CURL_DISABLE_VERBOSE_STRINGS
+/*
+ * Then those numbers represented as strings:
+ */
+static const char * const telnetcmds[]=
+{
+  "EOF",  "SUSP",  "ABORT", "EOR",  "SE",
+  "NOP",  "DMARK", "BRK",   "IP",   "AO",
+  "AYT",  "EC",    "EL",    "GA",   "SB",
+  "WILL", "WONT",  "DO",    "DONT", "IAC"
+};
+#endif
+
+#define CURL_TELCMD_MINIMUM CURL_xEOF /* the first one */
+#define CURL_TELCMD_MAXIMUM CURL_IAC  /* surprise, 255 is the last one! ;-) */
+
+#define CURL_TELQUAL_IS   0
+#define CURL_TELQUAL_SEND 1
+#define CURL_TELQUAL_INFO 2
+#define CURL_TELQUAL_NAME 3
+
+#define CURL_TELCMD_OK(x) ( ((unsigned int)(x) >= CURL_TELCMD_MINIMUM) && \
+                       ((unsigned int)(x) <= CURL_TELCMD_MAXIMUM) )
+#define CURL_TELCMD(x)    telnetcmds[(x)-CURL_TELCMD_MINIMUM]
+
+#endif /* CURL_DISABLE_TELNET */
+
+#endif /* HEADER_CURL_ARPA_TELNET_H */