1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<!-- Copyright (C) 1988-2021 Free Software Foundation, Inc. 4 5Permission is granted to copy, distribute and/or modify this document 6under the terms of the GNU Free Documentation License, Version 1.3 or 7any later version published by the Free Software Foundation; with the 8Invariant Sections being "Free Software" and "Free Software Needs 9Free Documentation", with the Front-Cover Texts being "A GNU Manual," 10and with the Back-Cover Texts as in (a) below. 11 12(a) The FSF's Back-Cover Text is: "You are free to copy and modify 13this GNU Manual. Buying copies from GNU Press supports the FSF in 14developing GNU and promoting software freedom." --> 15<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> 16<head> 17<title>Debugging with GDB: errno Values</title> 18 19<meta name="description" content="Debugging with GDB: errno Values"> 20<meta name="keywords" content="Debugging with GDB: errno Values"> 21<meta name="resource-type" content="document"> 22<meta name="distribution" content="global"> 23<meta name="Generator" content="makeinfo"> 24<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> 25<link href="index.html#Top" rel="start" title="Top"> 26<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index"> 27<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> 28<link href="Constants.html#Constants" rel="up" title="Constants"> 29<link href="Lseek-Flags.html#Lseek-Flags" rel="next" title="Lseek Flags"> 30<link href="mode_005ft-Values.html#mode_005ft-Values" rel="previous" title="mode_t Values"> 31<style type="text/css"> 32<!-- 33a.summary-letter {text-decoration: none} 34blockquote.smallquotation {font-size: smaller} 35div.display {margin-left: 3.2em} 36div.example {margin-left: 3.2em} 37div.indentedblock {margin-left: 3.2em} 38div.lisp {margin-left: 3.2em} 39div.smalldisplay {margin-left: 3.2em} 40div.smallexample {margin-left: 3.2em} 41div.smallindentedblock {margin-left: 3.2em; font-size: smaller} 42div.smalllisp {margin-left: 3.2em} 43kbd {font-style:oblique} 44pre.display {font-family: inherit} 45pre.format {font-family: inherit} 46pre.menu-comment {font-family: serif} 47pre.menu-preformatted {font-family: serif} 48pre.smalldisplay {font-family: inherit; font-size: smaller} 49pre.smallexample {font-size: smaller} 50pre.smallformat {font-family: inherit; font-size: smaller} 51pre.smalllisp {font-size: smaller} 52span.nocodebreak {white-space:nowrap} 53span.nolinebreak {white-space:nowrap} 54span.roman {font-family:serif; font-weight:normal} 55span.sansserif {font-family:sans-serif; font-weight:normal} 56ul.no-bullet {list-style: none} 57--> 58</style> 59 60 61</head> 62 63<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> 64<a name="errno-Values"></a> 65<div class="header"> 66<p> 67Next: <a href="Lseek-Flags.html#Lseek-Flags" accesskey="n" rel="next">Lseek Flags</a>, Previous: <a href="mode_005ft-Values.html#mode_005ft-Values" accesskey="p" rel="previous">mode_t Values</a>, Up: <a href="Constants.html#Constants" accesskey="u" rel="up">Constants</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p> 68</div> 69<hr> 70<a name="errno-Values-1"></a> 71<h4 class="unnumberedsubsubsec">errno Values</h4> 72<a name="index-errno-values_002c-in-file_002di_002fo-protocol"></a> 73 74<p>All values are given in decimal representation. 75</p> 76<div class="smallexample"> 77<pre class="smallexample"> EPERM 1 78 ENOENT 2 79 EINTR 4 80 EBADF 9 81 EACCES 13 82 EFAULT 14 83 EBUSY 16 84 EEXIST 17 85 ENODEV 19 86 ENOTDIR 20 87 EISDIR 21 88 EINVAL 22 89 ENFILE 23 90 EMFILE 24 91 EFBIG 27 92 ENOSPC 28 93 ESPIPE 29 94 EROFS 30 95 ENAMETOOLONG 91 96 EUNKNOWN 9999 97</pre></div> 98 99<p><code>EUNKNOWN</code> is used as a fallback error value if a host system returns 100 any error value not in the list of supported error numbers. 101</p> 102 103 104 105</body> 106</html> 107