mirror of https://github.com/moparisthebest/curl
all comments for the former public "low level" interface have been removed
since they were out-of-date and not correct anymore. moved around some struct fields
This commit is contained in:
Daniel Stenberg
parent
8ec4dba599
commit
2b30bfc349
241
lib/urldata.h
241
lib/urldata.h
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@ -98,27 +98,6 @@
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#define MAX(x,y) ((x)>(y)?(x):(y))
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#endif
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/* Type of handle. All publicly returned 'handles' in the curl interface
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have a handle first in the struct that describes what kind of handle it
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is. Used to detect bad handle usage. */
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typedef enum {
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STRUCT_NONE,
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STRUCT_OPEN,
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STRUCT_CONNECT,
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STRUCT_LAST
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} Handle;
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/* Connecting to a remote server using the curl interface is moving through
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a state machine, this type is used to store the current state */
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typedef enum {
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CONN_NONE, /* illegal state */
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CONN_INIT, /* curl_connect() has been called */
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CONN_DO, /* curl_do() has been called successfully */
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CONN_DONE, /* curl_done() has been called successfully */
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CONN_ERROR, /* and error has occurred */
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CONN_LAST /* illegal state */
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} ConnState;
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#ifdef KRB4
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/* Types needed for krb4-ftp connections */
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struct krb4buffer {
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@ -201,6 +180,7 @@ struct ConnectBits {
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bool close; /* if set, we close the connection after this request */
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bool reuse; /* if set, this is a re-used connection */
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bool chunk; /* if set, this is a chunked transfer-encoding */
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bool httpproxy; /* if set, this transfer is done through a http proxy */
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};
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/*
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@ -209,18 +189,10 @@ struct ConnectBits {
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*/
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struct connectdata {
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/**** Fields set when inited and not modified again */
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/* To better see what kind of struct that is passed as input, *ALL* publicly
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returned handles MUST have this initial 'Handle'. */
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Handle handle; /* struct identifier */
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struct UrlData *data; /* link to the root CURL struct */
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int connectindex; /* what index in the connects index this particular
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struct has */
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/**** curl_connect() phase fields */
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ConnState state; /* for state dependent actions */
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long protocol; /* PROT_* flags concerning the protocol set */
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#define PROT_MISSING (1<<0)
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#define PROT_GOPHER (1<<1)
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@ -250,6 +222,9 @@ struct connectdata {
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not the proxy port! */
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char *ppath;
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long bytecount;
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char *proxyhost; /* name of the http proxy host */
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struct timeval now; /* current time */
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int firstsocket; /* the main socket to use */
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int secondarysocket; /* for i.e ftp transfers */
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@ -309,6 +284,9 @@ struct connectdata {
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char *host; /* free later if not NULL */
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} allocptr;
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char *newurl; /* This can only be set if a Location: was in the
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document headers */
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#ifdef KRB4
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enum protection_level command_prot;
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@ -423,14 +401,6 @@ struct Configbits {
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bool urlstringalloc; /* the URL string is malloc()'ed */
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};
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/* What type of interface that intiated this struct */
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typedef enum {
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CURLI_NONE,
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CURLI_EASY,
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CURLI_NORMAL,
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CURLI_LAST
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} CurlInterface;
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/*
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* As of April 11, 2000 we're now trying to split up the urldata struct in
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* three different parts:
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@ -457,9 +427,6 @@ typedef enum {
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*/
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struct UrlData {
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Handle handle; /* struct identifier */
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CurlInterface interf; /* created by WHAT interface? */
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/*************** Global - specific items ************/
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FILE *err; /* the stderr writes goes here */
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char *errorbuffer; /* store failure messages in here */
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@ -535,9 +502,6 @@ struct UrlData {
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char *cookie; /* HTTP cookie string to send */
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char *newurl; /* This can only be set if a Location: was in the
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document headers */
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struct curl_slist *headers; /* linked list of extra headers */
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struct HttpPost *httppost; /* linked list of POST data */
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@ -597,191 +561,26 @@ struct UrlData {
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#define LIBCURL_NAME "libcurl"
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#define LIBCURL_ID LIBCURL_NAME " " LIBCURL_VERSION " " SSL_ID
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CURLcode Curl_getinfo(CURL *curl, CURLINFO info, ...);
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/*
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* Here follows function prototypes from what we used to plan to call
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* the "low level" interface. It is no longer prioritized and it is not likely
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* to ever be supported to external users.
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*
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* I removed all the comments to them as well, as they were no longer accurate
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* and they're not meant for "public use" anymore.
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*/
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/*
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* NAME curl_init()
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*
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* DESCRIPTION
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*
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* Inits libcurl globally. This must be used before any libcurl calls can
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* be used. This may install global plug-ins or whatever. (This does not
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* do winsock inits in Windows.)
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*
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* EXAMPLE
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*
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* curl_init();
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*
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*/
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CURLcode curl_init(void);
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/*
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* NAME curl_init()
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*
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* DESCRIPTION
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*
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* Frees libcurl globally. This must be used after all libcurl calls have
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* been used. This may remove global plug-ins or whatever. (This does not
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* do winsock cleanups in Windows.)
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*
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* EXAMPLE
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*
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* curl_free(curl);
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*
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*/
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void curl_free(void);
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/*
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* NAME curl_open()
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*
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* DESCRIPTION
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*
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* Opens a general curl session. It does not try to connect or do anything
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* on the network because of this call. The specified URL is only required
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* to enable curl to figure out what protocol to "activate".
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*
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* A session should be looked upon as a series of requests to a single host. A
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* session interacts with one host only, using one single protocol.
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*
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* The URL is not required. If set to "" or NULL, it can still be set later
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* using the curl_setopt() function. If the curl_connect() function is called
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* without the URL being known, it will return error.
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*
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* EXAMPLE
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*
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* CURLcode result;
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* CURL *curl;
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* result = curl_open(&curl, "http://curl.haxx.nu/libcurl/");
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* if(result != CURL_OK) {
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* return result;
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* }
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* */
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CURLcode curl_open(CURL **curl, char *url);
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/*
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* NAME curl_setopt()
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*
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* DESCRIPTION
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*
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* Sets a particular option to the specified value.
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*
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* EXAMPLE
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*
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* CURL curl;
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* curl_setopt(curl, CURL_HTTP_FOLLOW_LOCATION, TRUE);
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*/
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CURLcode curl_setopt(CURL *handle, CURLoption option, ...);
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/*
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* NAME curl_close()
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*
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* DESCRIPTION
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*
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* Closes a session previously opened with curl_open()
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*
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* EXAMPLE
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*
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* CURL *curl;
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* CURLcode result;
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*
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* result = curl_close(curl);
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*/
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CURLcode curl_close(CURL *curl); /* the opposite of curl_open() */
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CURLcode curl_read(CURLconnect *c_conn, char *buf, size_t buffersize,
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ssize_t *n);
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CURLcode curl_write(CURLconnect *c_conn, char *buf, size_t amount,
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size_t *n);
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/*
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* NAME curl_connect()
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*
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* DESCRIPTION
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*
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* Connects to the peer server and performs the initial setup. This function
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* writes a connect handle to its second argument that is a unique handle for
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* this connect. This allows multiple connects from the same handle returned
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* by curl_open().
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*
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* By setting 'allow_port' to FALSE, the data->use_port will *NOT* be
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* respected.
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*
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* EXAMPLE
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*
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* CURLCode result;
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* CURL curl;
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* CURLconnect connect;
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* result = curl_connect(curl, &connect); */
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CURLcode curl_connect(CURL *curl,
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CURLconnect **in_connect,
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CURLcode Curl_open(CURL **curl, char *url);
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CURLcode Curl_setopt(CURL *handle, CURLoption option, ...);
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CURLcode Curl_close(CURL *curl); /* the opposite of curl_open() */
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CURLcode Curl_connect(struct UrlData *,
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struct connectdata **,
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bool allow_port);
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/*
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* NAME curl_do()
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*
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* DESCRIPTION
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*
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* (Note: May 3rd 2000: this function does not currently allow you to
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* specify a document, it will use the one set previously)
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*
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* This function asks for the particular document, file or resource that
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* resides on the server we have connected to. You may specify a full URL,
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* just an absolute path or even a relative path. That means, if you're just
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* getting one file from the remote site, you can use the same URL as input
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* for both curl_open() as well as for this function.
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*
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* In the even there is a host name, port number, user name or password parts
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* in the URL, you can use the 'flags' argument to ignore them completely, or
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* at your choice, make the function fail if you're trying to get a URL from
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* different host than you connected to with curl_connect().
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*
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* You can only get one document at a time using the same connection. When one
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* document has been received you can although request again.
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*
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* When the transfer is done, curl_done() MUST be called.
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*
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* EXAMPLE
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*
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* CURLCode result;
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* char *url;
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* CURLconnect *connect;
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* result = curl_do(connect, url, CURL_DO_NONE); */
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CURLcode curl_do(CURLconnect *in_conn);
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/*
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* NAME curl_done()
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*
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* DESCRIPTION
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*
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* When the transfer following a curl_do() call is done, this function should
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* get called.
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*
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* EXAMPLE
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*
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* CURLCode result;
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* char *url;
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* CURLconnect *connect;
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* result = curl_done(connect); */
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CURLcode curl_done(CURLconnect *connect);
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/*
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* NAME curl_disconnect()
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*
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* DESCRIPTION
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*
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* Disconnects from the peer server and performs connection cleanup.
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*
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* EXAMPLE
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*
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* CURLcode result;
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* CURLconnect *connect;
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* result = curl_disconnect(connect); */
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CURLcode curl_disconnect(CURLconnect *connect);
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CURLcode Curl_do(struct connectdata *);
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CURLcode Curl_done(struct connectdata *);
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CURLcode Curl_disconnect(struct connectdata *);
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#endif
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