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.\" **************************************************************************
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.\" * _ _ ____ _
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.\" * Project ___| | | | _ \| |
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.\" * \___|\___/|_| \_\_____|
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.\" *
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.\" * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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.\" *
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.\" * This software is licensed as described in the file COPYING, which
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.\" * you should have received as part of this distribution. The terms
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2020-11-04 08:02:01 -05:00
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.\" * are also available at https://curl.se/docs/copyright.html.
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.\" *
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.\" * furnished to do so, under the terms of the COPYING file.
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.\" *
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.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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.\" * KIND, either express or implied.
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.\" *
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.\" **************************************************************************
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2020-08-27 10:13:41 -04:00
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.TH curl_easy_option_next 3 "27 Aug 2020" "libcurl 7.73.0" "libcurl Manual"
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.SH NAME
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curl_easy_option_next - iterate over easy setopt options
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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typedef enum {
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CURLOT_LONG, /* long (a range of values) */
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CURLOT_VALUES, /* (a defined set or bitmask) */
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CURLOT_OFF_T, /* curl_off_t (a range of values) */
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CURLOT_OBJECT, /* pointer (void *) */
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CURLOT_STRING, /* (char * to zero terminated buffer) */
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CURLOT_SLIST, /* (struct curl_slist *) */
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CURLOT_CBPTR, /* (void * passed as-is to a callback) */
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CURLOT_BLOB, /* blob (struct curl_blob *) */
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CURLOT_FUNCTION /* function pointer */
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} curl_easytype;
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/* The CURLOPTTYPE_* id ranges can still be used to figure out what type/size
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to use for curl_easy_setopt() for the given id */
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struct curl_easyoption {
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const char *name;
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CURLoption id;
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curl_easytype type;
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unsigned int flags;
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};
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const struct curl_easyoption *
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curl_easy_option_next(const struct curl_easyoption *prev);
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.fi
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.SH DESCRIPTION
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This function returns a pointer to the first or the next curl_easyoption
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struct, providing an ability to iterate over all known options for
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\fIcurl_easy_setopt(3)\fP in this instance of libcurl.
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Pass a \fBNULL\fP argument as \fBprev\fP to get the first option returned, or
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pass in the current option to get the next one returned. If there is no more
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option to return, \fIcurl_easy_option_next(3)\fP returns NULL.
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The options returned by this functions are the ones known to this libcurl and
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information about what argument type they want.
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If the \fBCURLOT_FLAG_ALIAS\fP bit is set in the flags field, it means the
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name is provided for backwards compatibility as an alias.
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.SH AVAILABILITY
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This function was added in libcurl 7.73.0
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.SH RETURN VALUE
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A pointer to the curl_easyoption struct for the next option or NULL if no more
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options.
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.SH "SEE ALSO"
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.BR curl_easy_option_by_name "(3)," curl_easy_option_by_id "(3),"
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.BR curl_easy_setopt "(3),"
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