Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/docs/libcurl/curl_getenv.3 @ 40:aa33339d6b8a upstream

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ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
children
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b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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1 .\" **************************************************************************
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2 .\" * _ _ ____ _
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3 .\" * Project ___| | | | _ \| |
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4 .\" * / __| | | | |_) | |
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5 .\" * | (__| |_| | _ <| |___
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6 .\" * \___|\___/|_| \_\_____|
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7 .\" *
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8 .\" * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 .\" *
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10 .\" * This software is licensed as described in the file COPYING, which
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11 .\" * you should have received as part of this distribution. The terms
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12 .\" * are also available at https://curl.haxx.se/docs/copyright.html.
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13 .\" *
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14 .\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 .\" * copies of the Software, and permit persons to whom the Software is
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16 .\" * furnished to do so, under the terms of the COPYING file.
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17 .\" *
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18 .\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 .\" * KIND, either express or implied.
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20 .\" *
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21 .\" **************************************************************************
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22 .TH curl_getenv 3 "30 April 2004" "libcurl 7.12" "libcurl Manual"
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23 .SH NAME
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24 curl_getenv - return value for environment name
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25 .SH SYNOPSIS
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26 .B #include <curl/curl.h>
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27 .sp
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28 .BI "char *curl_getenv(const char *" name ");"
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29 .ad
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30 .SH DESCRIPTION
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31 curl_getenv() is a portable wrapper for the getenv() function, meant to
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32 emulate its behaviour and provide an identical interface for all operating
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33 systems libcurl builds on (including win32).
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34 .SH AVAILABILITY
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35 This function will be removed from the public libcurl API in a near future. It
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36 will instead be made "available" by source code access only, and then as
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37 curlx_getenv().
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38 .SH RETURN VALUE
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39 If successful, curl_getenv() returns a pointer to the value of the specified
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40 environment. The memory it refers to is malloc()ed so the application must
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41 free() this when the data is no longer needed. When \fIcurl_getenv(3)\fP fails
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42 to find the specified name, it returns a null pointer.
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43 .SH NOTE
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44 Under unix operating systems, there isn't any point in returning an allocated
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45 memory, although other systems won't work properly if this isn't done. The
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46 unix implementation thus has to suffer slightly from the drawbacks of other
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47 systems.
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48 .SH "SEE ALSO"
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49 .BR getenv "(3C), "