curl*3: added small examples

and some minor edits

docs/libcurl/curl_easy_cleanup.3

@@ -52,6 +52,16 @@ safely remove all the strings you've previously told libcurl to use, as it
 won't use them anymore now.
 .SH RETURN VALUE
 None
+.SH EXAMPLE
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode res;
+  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
+  res = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
 .SH "SEE ALSO"
 .BR curl_easy_init "(3), "
 

docs/libcurl/curl_easy_escape.3

@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2014, 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
@@ -26,13 +26,13 @@ curl_easy_escape - URL encodes the given string
 .SH SYNOPSIS
 .B #include <curl/curl.h>
 .sp
-.BI "char *curl_easy_escape( CURL *" curl ", char *" url ", int "length " );"
+.BI "char *curl_easy_escape( CURL *" curl ", char *" string ", int "length " );"
 .ad
 .SH DESCRIPTION
-This function converts the given input string to an URL encoded string and
-returns that as a new allocated string. All input characters that are not a-z,
-A-Z, 0-9, '-', '.', '_' or '~' are converted to their "URL escaped" version
-(%NN where NN is a two-digit hexadecimal number).
+This function converts the given input \fBstring\fP to an URL encoded string
+and returns that as a new allocated string. All input characters that are not
+a-z, A-Z, 0-9, '-', '.', '_' or '~' are converted to their "URL escaped"
+version (%NN where NN is a two-digit hexadecimal number).
 
 If the \fBlength\fP argument is set to 0 (zero), \fIcurl_easy_escape(3)\fP
 uses strlen() on the input \fBurl\fP to find out the size.
@@ -42,5 +42,16 @@ You must \fIcurl_free(3)\fP the returned string when you're done with it.
 Added in 7.15.4 and replaces the old \fIcurl_escape(3)\fP function.
 .SH RETURN VALUE
 A pointer to a zero terminated string or NULL if it failed.
+.SH EXAMPLE
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  char *output = curl_easy_escape(curl, "data to convert", 15);
+  if(output) {
+    printf("Encoded: %s\n", output);
+    curl_free(output);
+  }
+}}
+.fi
 .SH "SEE ALSO"
-.BR curl_easy_unescape "(3), " curl_free "(3), " RFC 2396
+.BR curl_easy_unescape "(3), " curl_free "(3), " RFC 3986

docs/libcurl/curl_easy_init.3

@@ -44,5 +44,16 @@ this function.
 .SH RETURN VALUE
 If this function returns NULL, something went wrong and you cannot use the
 other curl functions.
+.SH EXAMPLE
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode res;
+  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
+  res = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}
+.fi
 .SH "SEE ALSO"
-.BR curl_easy_cleanup "(3), " curl_global_init "(3), " curl_easy_reset "(3)"
+.BR curl_easy_cleanup "(3), " curl_global_init "(3), " curl_easy_reset "(3), "
+.BR curl_easy_perform "(3) "

docs/libcurl/curl_easy_perform.3

@@ -21,7 +21,7 @@
 .\" **************************************************************************
 .TH curl_easy_perform 3 "5 Mar 2001" "libcurl 7.7" "libcurl Manual"
 .SH NAME
-curl_easy_perform - Perform a file transfer
+curl_easy_perform - perform a blocking file transfer
 .SH SYNOPSIS
 .B #include <curl/curl.h>
 .sp
@@ -58,6 +58,16 @@ CURLE_OK (0) means everything was ok, non-zero means an error occurred as
 defines - see \fIlibcurl-errors(3)\fP. If the \fBCURLOPT_ERRORBUFFER(3)\fP was
 set with \fIcurl_easy_setopt(3)\fP there will be a readable error message in
 the error buffer when non-zero is returned.
+.SH EXAMPLE
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode res;
+  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
+  res = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}}
+.fi
 .SH "SEE ALSO"
 .BR curl_easy_init "(3), " curl_easy_setopt "(3), "
 .BR curl_multi_add_handle "(3), " curl_multi_perform "(3), "

docs/libcurl/curl_easy_setopt.3

@@ -499,6 +499,16 @@ the library is too old to support it or the option was removed in a recent
 version, this function will return \fICURLE_UNKNOWN_OPTION\fP. If support for
 the option was disabled at compile-time, it will return
 \fICURLE_NOT_BUILT_IN\fP.
+.SH EXAMPLE
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+  CURLcode res;
+  curl_easy_setopt(curl, CURLOPT_URL, "http://example.com");
+  res = curl_easy_perform(curl);
+  curl_easy_cleanup(curl);
+}}
+.fi
 .SH "SEE ALSO"
 .BR curl_easy_init "(3), " curl_easy_cleanup "(3), " curl_easy_reset "(3), "
 .BR curl_multi_setopt "(3), "