[GNUnet-SVN] [gnurl] 184/254: opts: more examples added to man pages

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ng0 pushed a commit to annotated tag gnurl-7.54.1
in repository gnurl.

commit bb1a8c174bc2407451b71842d970f5f7b395a2f1
Author: Daniel Stenberg <address@hidden>
AuthorDate: Tue May 30 23:35:30 2017 +0200

    opts: more examples added to man pages
---
 docs/libcurl/opts/CURLOPT_FAILONERROR.3          | 19 +++++++++++++++----
 docs/libcurl/opts/CURLOPT_FTPPORT.3              | 12 ++++++++++--
 docs/libcurl/opts/CURLOPT_HEADEROPT.3            | 21 +++++++++++++++++++--
 docs/libcurl/opts/CURLOPT_HTTPAUTH.3             | 14 ++++++++++++--
 docs/libcurl/opts/CURLOPT_HTTP_VERSION.3         | 15 +++++++++++++--
 docs/libcurl/opts/CURLOPT_MAXCONNECTS.3          | 13 +++++++++++--
 docs/libcurl/opts/CURLOPT_MAXFILESIZE.3          | 13 +++++++++++--
 docs/libcurl/opts/CURLOPT_MAXFILESIZE_LARGE.3    | 14 ++++++++++++--
 docs/libcurl/opts/CURLOPT_MAX_RECV_SPEED_LARGE.3 | 12 +++++++++++-
 docs/libcurl/opts/CURLOPT_MAX_SEND_SPEED_LARGE.3 | 14 ++++++++++++--
 docs/libcurl/opts/CURLOPT_NOPROXY.3              | 13 ++++++++++++-
 docs/libcurl/opts/CURLOPT_PROXYAUTH.3            | 18 ++++++++++++++++--
 docs/libcurl/opts/CURLOPT_PROXYHEADER.3          | 22 ++++++++++++++++++++--
 docs/libcurl/opts/CURLOPT_PROXYPASSWORD.3        | 14 ++++++++++++--
 docs/libcurl/opts/CURLOPT_PROXYTYPE.3            | 15 +++++++++++++--
 docs/libcurl/opts/CURLOPT_PROXYUSERNAME.3        | 14 ++++++++++++--
 docs/libcurl/opts/CURLOPT_PROXYUSERPWD.3         | 13 +++++++++++--
 docs/libcurl/opts/CURLOPT_PROXY_CAINFO.3         | 14 ++++++++++++--
 docs/libcurl/opts/CURLOPT_PROXY_CAPATH.3         | 21 ++++++++++++++++-----
 19 files changed, 250 insertions(+), 41 deletions(-)

diff --git a/docs/libcurl/opts/CURLOPT_FAILONERROR.3 
b/docs/libcurl/opts/CURLOPT_FAILONERROR.3
index 93d8ba6ed..451b07cad 100644
--- a/docs/libcurl/opts/CURLOPT_FAILONERROR.3
+++ b/docs/libcurl/opts/CURLOPT_FAILONERROR.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -41,15 +41,26 @@ detected, like when a "100-continue" is received as a 
response to a POST/PUT
 and a 401 or 407 is received immediately afterwards.
 
 When this option is used and an error is detected, it will cause the
-connection to get closed.
+connection to get closed and \fICURLE_HTTP_RETURNED_ERROR\fP is returned.
 .SH DEFAULT
 0, do not fail on error
 .SH PROTOCOLS
 HTTP
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode ret;
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1L);
+  ret = curl_easy_perform(curl);
+  if(ret == CURLE_HTTP_RETURNED_ERROR) {
+    /* a HTTP response error problem */
+  }
+}
+.fi
 .SH AVAILABILITY
-Along with HTTP 
+Along with HTTP.
 .SH RETURN VALUE
 Returns CURLE_OK if HTTP is enabled, and CURLE_UNKNOWN_OPTION if not.
 .SH "SEE ALSO"
diff --git a/docs/libcurl/opts/CURLOPT_FTPPORT.3 
b/docs/libcurl/opts/CURLOPT_FTPPORT.3
index 0f2a9f7f9..e150a5b29 100644
--- a/docs/libcurl/opts/CURLOPT_FTPPORT.3
+++ b/docs/libcurl/opts/CURLOPT_FTPPORT.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -65,7 +65,15 @@ NULL
 .SH PROTOCOLS
 FTP
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/old-server/file.txt";);
+  curl_easy_setopt(curl, CURLOPT_FTPPORT, "-");
+  ret = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
 .SH AVAILABILITY
 Port range support was added in 7.19.5
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_HEADEROPT.3 
b/docs/libcurl/opts/CURLOPT_HEADEROPT.3
index 7053a3af2..ff9070e74 100644
--- a/docs/libcurl/opts/CURLOPT_HEADEROPT.3
+++ b/docs/libcurl/opts/CURLOPT_HEADEROPT.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2015, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -48,7 +48,24 @@ CURLHEADER_SEPARATE (changed in 7.42.1, ased 
CURLHEADER_UNIFIED before then)
 .SH PROTOCOLS
 HTTP
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode ret;
+  struct curl_slist *list;
+  list = curl_slist_append(NULL, "Shoesize: 10");
+  list = curl_slist_append(list, "Accept:");
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  curl_easy_setopt(curl, CURLOPT_PROXY, "http://localhost:8080";);
+
+  /* HTTPS over a proxy makes a separate CONNECT to the proxy, so tell
+     libcurl to not send the custom headers to the proxy. Keep them
+     separate! */
+  curl_easy_setopt(curl, CURLOPT_HEADEROPT, CURLHEADER_SEPARATE);
+  ret = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
 .SH AVAILABILITY
 Added in 7.37.0
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_HTTPAUTH.3 
b/docs/libcurl/opts/CURLOPT_HTTPAUTH.3
index fc7a3a41a..8a5ae4143 100644
--- a/docs/libcurl/opts/CURLOPT_HTTPAUTH.3
+++ b/docs/libcurl/opts/CURLOPT_HTTPAUTH.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -99,7 +99,17 @@ CURLAUTH_BASIC
 .SH PROTOCOLS
 HTTP
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode ret;
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  /* allow whatever auth the server speaks */
+  curl_easy_setopt(curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
+  curl_easy_setopt(curl, CURLOPT_USERPWD, "james:bond");
+  ret = curl_easy_perform(curl);
+}
+.fi
 .SH AVAILABILITY
 Option Added in 7.10.6.
 
diff --git a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3 
b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3
index 96dd4b672..e602b0311 100644
--- a/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3
+++ b/docs/libcurl/opts/CURLOPT_HTTP_VERSION.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -64,7 +64,18 @@ CURL_HTTP_VERSION_NONE
 .SH PROTOCOLS
 HTTP
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode ret;
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_2TLS);
+  ret = curl_easy_perform(curl);
+  if(ret == CURLE_HTTP_RETURNED_ERROR) {
+    /* a HTTP response error problem */
+  }
+}
+.fi
 .SH AVAILABILITY
 Along with HTTP
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_MAXCONNECTS.3 
b/docs/libcurl/opts/CURLOPT_MAXCONNECTS.3
index 8e90a9d26..b60517175 100644
--- a/docs/libcurl/opts/CURLOPT_MAXCONNECTS.3
+++ b/docs/libcurl/opts/CURLOPT_MAXCONNECTS.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -50,7 +50,16 @@ acknowledged, and you must instead use 
\fIcurl_multi_setopt(3)\fP and the
 .SH PROTOCOLS
 Most
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode ret;
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  /* limit the connection cache for this handle to no more than 3 */
+  curl_easy_setopt(curl, CURLOPT_MAXCONNECTS, 3L);
+  ret = curl_easy_perform(curl);
+}
+.fi
 .SH AVAILABILITY
 Always
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_MAXFILESIZE.3 
b/docs/libcurl/opts/CURLOPT_MAXFILESIZE.3
index 5f5959a17..b75e66df7 100644
--- a/docs/libcurl/opts/CURLOPT_MAXFILESIZE.3
+++ b/docs/libcurl/opts/CURLOPT_MAXFILESIZE.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -43,7 +43,16 @@ None
 .SH PROTOCOLS
 FTP and HTTP
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode ret;
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  /* refuse to download if larger than 1000 bytes! */
+  curl_easy_setopt(curl, CURLOPT_MAXFILESIZE, 1000L);
+  ret = curl_easy_perform(curl);
+}
+.fi
 .SH AVAILABILITY
 Always
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_MAXFILESIZE_LARGE.3 
b/docs/libcurl/opts/CURLOPT_MAXFILESIZE_LARGE.3
index 630c0b5ab..969cc5f2c 100644
--- a/docs/libcurl/opts/CURLOPT_MAXFILESIZE_LARGE.3
+++ b/docs/libcurl/opts/CURLOPT_MAXFILESIZE_LARGE.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -43,7 +43,17 @@ None
 .SH PROTOCOLS
 FTP and HTTP
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode ret;
+  curl_off_t ridiculous = 1 << 48;
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  /* refuse to download if larger than ridiculous */
+  curl_easy_setopt(curl, CURLOPT_MAXFILESIZE_LARGE, ridiculous);
+  ret = curl_easy_perform(curl);
+}
+.fi
 .SH AVAILABILITY
 Added in 7.11.0
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_MAX_RECV_SPEED_LARGE.3 
b/docs/libcurl/opts/CURLOPT_MAX_RECV_SPEED_LARGE.3
index c99ff61e3..e4ced8643 100644
--- a/docs/libcurl/opts/CURLOPT_MAX_RECV_SPEED_LARGE.3
+++ b/docs/libcurl/opts/CURLOPT_MAX_RECV_SPEED_LARGE.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -40,6 +40,16 @@ This option doesn't affect transfer speeds done with FILE:// 
URLs.
 .SH PROTOCOLS
 All but file://
 .SH EXAMPLE
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode ret;
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  /* cap the download speed to 31415 bytes/sec */
+  curl_easy_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE, (curl_off_t)31415);
+  ret = curl_easy_perform(curl);
+}
+.fi
 .SH AVAILABILITY
 Added in 7.15.5
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_MAX_SEND_SPEED_LARGE.3 
b/docs/libcurl/opts/CURLOPT_MAX_SEND_SPEED_LARGE.3
index 7f3efe57c..d9f5c8bf0 100644
--- a/docs/libcurl/opts/CURLOPT_MAX_SEND_SPEED_LARGE.3
+++ b/docs/libcurl/opts/CURLOPT_MAX_SEND_SPEED_LARGE.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -41,7 +41,17 @@ This option doesn't affect transfer speeds done with FILE:// 
URLs.
 .SH PROTOCOLS
 All except file://
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode ret;
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  /* cap the upload speed to 1000 bytes/sec */
+  curl_easy_setopt(curl, CURLOPT_MAX_SEND_SPEED_LARGE, (curl_off_t)1000);
+  /* (set some upload options as well!) */
+  ret = curl_easy_perform(curl);
+}
+.fi
 .SH AVAILABILITY
 Added in 7.15.5
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_NOPROXY.3 
b/docs/libcurl/opts/CURLOPT_NOPROXY.3
index a969dc5c2..a1ee476f6 100644
--- a/docs/libcurl/opts/CURLOPT_NOPROXY.3
+++ b/docs/libcurl/opts/CURLOPT_NOPROXY.3
@@ -48,7 +48,18 @@ NULL
 .SH PROTOCOLS
 Most
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  /* accept various URLs */
+  curl_easy_setopt(curl, CURLOPT_URL, input);
+  /* use this proxy */
+  curl_easy_setopt(curl, CURLOPT_PROXY, "http://proxy:80";);
+  /* ... but make sure this host name is not proxied */
+  curl_easy_setopt(curl, CURLOPT_NOPROXY, "www.example.com");
+  curl_easy_perform(curl);
+}
+.fi
 .SH AVAILABILITY
 Added in 7.19.4
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_PROXYAUTH.3 
b/docs/libcurl/opts/CURLOPT_PROXYAUTH.3
index 24dbca5ab..fbf941430 100644
--- a/docs/libcurl/opts/CURLOPT_PROXYAUTH.3
+++ b/docs/libcurl/opts/CURLOPT_PROXYAUTH.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -43,7 +43,21 @@ CURLAUTH_BASIC
 .SH PROTOCOLS
 HTTP
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode ret;
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  /* use this proxy */
+  curl_easy_setopt(curl, CURLOPT_PROXY, "http://local.example.com:1080";);
+  /* allow whatever auth the proxy speaks */
+  curl_easy_setopt(curl, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
+  /* set the proxy credentials */
+  curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, "james:007");
+  ret = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
 .SH AVAILABILITY
 Added in 7.10.7
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_PROXYHEADER.3 
b/docs/libcurl/opts/CURLOPT_PROXYHEADER.3
index bfec6293e..44ed85ece 100644
--- a/docs/libcurl/opts/CURLOPT_PROXYHEADER.3
+++ b/docs/libcurl/opts/CURLOPT_PROXYHEADER.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -48,7 +48,25 @@ NULL
 .SH PROTOCOLS
 HTTP
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+
+struct curl_slist *list;
+
+if(curl) {
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com";);
+  curl_easy_setopt(curl, CURLOPT_PROXY, "http://proxy.example.com:80";);
+
+  list = curl_slist_append(NULL, "Shoesize: 10");
+  list = curl_slist_append(list, "Accept:");
+
+  curl_easy_setopt(curl, CURLOPT_PROXYHEADER, list);
+
+  curl_easy_perform(curl);
+
+  curl_slist_free_all(list); /* free the list again */
+}
+.fi
 .SH AVAILABILITY
 Added in 7.37.0
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_PROXYPASSWORD.3 
b/docs/libcurl/opts/CURLOPT_PROXYPASSWORD.3
index c7fbb179e..75b2b7df3 100644
--- a/docs/libcurl/opts/CURLOPT_PROXYPASSWORD.3
+++ b/docs/libcurl/opts/CURLOPT_PROXYPASSWORD.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -41,7 +41,17 @@ blank
 .SH PROTOCOLS
 Most
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/foo.bin";);
+  curl_easy_setopt(curl, CURLOPT_PROXY, "http://localhost:8080";);
+  curl_easy_setopt(curl, CURLOPT_PROXYUSERNAME, "mrsmith");
+  curl_easy_setopt(curl, CURLOPT_PROXYPASSWORD, "qwerty");
+  ret = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
 .SH AVAILABILITY
 Added in 7.19.1
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_PROXYTYPE.3 
b/docs/libcurl/opts/CURLOPT_PROXYTYPE.3
index 19856195e..d7d97504e 100644
--- a/docs/libcurl/opts/CURLOPT_PROXYTYPE.3
+++ b/docs/libcurl/opts/CURLOPT_PROXYTYPE.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -56,7 +56,18 @@ CURLPROXY_HTTP
 .SH PROTOCOLS
 Most
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode ret;
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  curl_easy_setopt(curl, CURLOPT_PROXY, "local.example.com:1080");
+  /* set the proxy type */
+  curl_easy_setopt(curl, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
+  ret = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
 .SH AVAILABILITY
 Always
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_PROXYUSERNAME.3 
b/docs/libcurl/opts/CURLOPT_PROXYUSERNAME.3
index 46ecac6bf..54981b124 100644
--- a/docs/libcurl/opts/CURLOPT_PROXYUSERNAME.3
+++ b/docs/libcurl/opts/CURLOPT_PROXYUSERNAME.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -45,7 +45,17 @@ blank
 .SH PROTOCOLS
 Most
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/foo.bin";);
+  curl_easy_setopt(curl, CURLOPT_PROXY, "http://localhost:8080";);
+  curl_easy_setopt(curl, CURLOPT_PROXYUSERNAME, "mrsmith");
+  curl_easy_setopt(curl, CURLOPT_PROXYPASSWORD, "qwerty");
+  ret = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
 .SH AVAILABILITY
 Added in 7.19.1
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_PROXYUSERPWD.3 
b/docs/libcurl/opts/CURLOPT_PROXYUSERPWD.3
index ebfcfcc99..cdf4e0885 100644
--- a/docs/libcurl/opts/CURLOPT_PROXYUSERPWD.3
+++ b/docs/libcurl/opts/CURLOPT_PROXYUSERPWD.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -43,7 +43,16 @@ This is NULL by default.
 .SH PROTOCOLS
 Used with all protocols that can use a proxy
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/foo.bin";);
+  curl_easy_setopt(curl, CURLOPT_PROXY, "http://localhost:8080";);
+  curl_easy_setopt(curl, CURLOPT_PROXYUSERPWD, "clark%20kent:superman");
+  ret = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
 .SH AVAILABILITY
 Always
 .SH RETURN VALUE
diff --git a/docs/libcurl/opts/CURLOPT_PROXY_CAINFO.3 
b/docs/libcurl/opts/CURLOPT_PROXY_CAINFO.3
index 43bc32b5b..a5f61a5bd 100644
--- a/docs/libcurl/opts/CURLOPT_PROXY_CAINFO.3
+++ b/docs/libcurl/opts/CURLOPT_PROXY_CAINFO.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -56,7 +56,17 @@ Built-in system specific
 .SH PROTOCOLS
 Used with HTTPS proxy
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  /* using a HTTPS proxy */
+  curl_easy_setopt(curl, CURLOPT_PROXY, "https://localhost:443";);
+  curl_easy_setopt(curl, CURLOPT_PROXY_CAINFO, "/etc/certs/cabundle.pem");
+  ret = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
 .SH AVAILABILITY
 Added in 7.52.0
 
diff --git a/docs/libcurl/opts/CURLOPT_PROXY_CAPATH.3 
b/docs/libcurl/opts/CURLOPT_PROXY_CAPATH.3
index dc317f03b..4064dfd85 100644
--- a/docs/libcurl/opts/CURLOPT_PROXY_CAPATH.3
+++ b/docs/libcurl/opts/CURLOPT_PROXY_CAPATH.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <address@hidden>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <address@hidden>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -31,8 +31,8 @@ CURLcode curl_easy_setopt(CURL *handle, CURLOPT_PROXY_CAPATH, 
char *capath);
 Pass a char * to a zero terminated string naming a directory holding multiple
 CA certificates to verify the HTTPS proxy with. If libcurl is built against
 OpenSSL, the certificate directory must be prepared using the openssl c_rehash
-utility. This makes sense only when \fICURLOPT_SSL_VERIFYPEER(3)\fP is enabled
-(which it is by default).
+utility. This makes sense only when \fICURLOPT_PROXY_SSL_VERIFYPEER(3)\fP is
+enabled (which it is by default).
 
 The application does not have to keep the string around after setting this
 option.
@@ -41,7 +41,17 @@ NULL
 .SH PROTOCOLS
 Everything used over an HTTPS proxy
 .SH EXAMPLE
-TODO
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/";);
+  /* using a HTTPS proxy */
+  curl_easy_setopt(curl, CURLOPT_PROXY, "https://localhost:443";);
+  curl_easy_setopt(curl, CURLOPT_PROXY_CAPATH, "/etc/cert-dir");
+  ret = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
 .SH AVAILABILITY
 Added in 7.52.0
 
@@ -56,5 +66,6 @@ CURLE_UNKNOWN_OPTION
 
 CURLE_OUT_OF_MEMORY
 .SH "SEE ALSO"
-.BR CURLOPT_CAINFO "(3), "
+.BR CURLOPT_PROXY_CAINFO "(3), "
+.Br CURLOPT_CAINFO "(3), " CURLOPT_PROXY_SSL_VERIFYHOST "(3), "
 .BR CURLOPT_STDERR "(3), " CURLOPT_DEBUGFUNCTION "(3), "

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