标准库errno.h 查看错误代码编号,errno:4 与error:2
log 里报错,errno:4 与errno:2
查了一下 errno.h --------下文来自百度百科
-
errno
- 中文名
- errno
- 查 看
- 错误代码errno调试程序重要方法
- 代 码
- 是一个int型的值
- 通 过
- 查看该值推测出错的原因
目录
- 1 NAME
- 2 errno的一些错误定义
NAME
errno的一些错误定义
#define ENOENT 2 /* No such file or directory */
#define ESRCH 3 /* No such process */
#define EINTR 4 /* Interrupted system call */
#define EIO 5 /* I/O error */
#define ENXIO 6 /* No such device or address */
#define E2BIG 7 /* Argument list too long */
#define ENOEXEC 8 /* Exec format error */
#define EBADF 9 /* Bad file number */
#define ECHILD 10 /* No child processes */
#define EAGAIN 11 /* Try again */
#define ENOMEM 12 /* Out of memory */
#define EACCES 13 /* Permission denied */
#define EFAULT 14 /* Bad address */
#define ENOTBLK 15 /* Block device required */
#define EBUSY 16 /* Device or resource busy */
#define EEXIST 17 /* File exists */
#define EXDEV 18 /* Cross-device link */
#define ENODEV 19 /* No such device */
#define ENOTDIR 20 /* Not a directory */
#define EISDIR 21 /* Is a directory */
#define EINVAL 22 /* Invalid argument */
#define ENFILE 23 /* File table overflow */
#define EMFILE 24 /* Too many open files */
#define ENOTTY 25 /* Not a typewriter */
#define ETXTBSY 26 /* Text file busy */
#define EFBIG 27 /* File too large */
#define ENOSPC 28 /* No space left on device */
#define ESPIPE 29 /* Illegal seek */
#define EROFS 30 /* Read-only file system */
#define EMLINK 31 /* Too many links */
#define EPIPE 32 /* Broken pipe */
#define EDOM 33 /* Math argument out of domain of func */
#define ERANGE 34 /* Math result not representable */
#define EDEADLK 35 /* Resource deadlock would occur */
#define ENAMETOOLONG 36 /* File name too long */
#define ENOLCK 37 /* No record locks available */
#define ENOSYS 38 /* Function not implemented */
#define ENOTEMPTY 39 /* Directory not empty */
#define ELOOP 40 /* Too many symbolic links encountered */
#define EWOULDBLOCK EAGAIN /* Operation would block */
#define ENOMSG 42 /* No message of desired type */
#define EIDRM 43 /* Identifier removed */
#define ECHRNG 44 /* Channel number out of range */
#define EL2NSYNC 45 /* Level 2 not synchronized */
#define EL3HLT 46 /* Level 3 halted */
#define EL3RST 47 /* Level 3 reset */
#define ELNRNG 48 /* Link number out of range */
#define EUNATCH 49 /* Protocol driver not attached */
#define ENOCSI 50 /* No CSI structure available */
#define EL2HLT 51 /* Level 2 halted */
#define EBADE 52 /* Invalid exchange */
#define EBADR 53 /* Invalid request descriptor */
#define EXFULL 54 /* Exchange full */
#define ENOANO 55 /* No anode */
#define EBADRQC 56 /* Invalid request code */
#define EBADSLT 57 /* Invalid slot */
#define EDEADLOCK EDEADLK
#define EBFONT 59 /* Bad font file format */
#define ENOSTR 60 /* Device not a stream */
#define ENODATA 61 /* No data available */
#define ETIME 62 /* Timer expired */
#define ENOSR 63 /* Out of streams resources */
#define ENONET 64 /* Machine is not on the network */
#define ENOPKG 65 /* Package not installed */
#define EREMOTE 66 /* Object is remote */
#define ENOLINK 67 /* Link has been severed */
#define EADV 68 /* Advertise error */
#define ESRMNT 69 /* Srmount error */
#define ECOMM 70 /* Communication error on send */
#define EPROTO 71 /* Protocol error */
#define EMULTIHOP 72 /* Multihop attempted */
#define EDOTDOT 73 /* RFS specific error */
#define EBADMSG 74 /* Not a data message */
#define EOVERFLOW 75 /* Value too large for defined data type */
#define ENOTUNIQ 76 /* Name not unique on network */
#define EBADFD 77 /* File descriptor in bad state */
#define EREMCHG 78 /* Remote address changed */
#define ELIBACC 79 /* Can not access a needed shared library */
#define ELIBBAD 80 /* Accessing a corrupted shared library */
#define ELIBSCN 81 /* .lib section in a.out corrupted */
#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
#define ELIBEXEC 83 /* Cannot exec a shared library directly */
#define EILSEQ 84 /* Illegal byte sequence */
#define ERESTART 85 /* Interrupted system call should be restarted */
#define ESTRPIPE 86 /* Streams pipe error */
#define EUSERS 87 /* Too many users */
#define ENOTSOCK 88 /* Socket operation on non-socket */
#define EDESTADDRREQ 89 /* Destination address required */
#define EMSGSIZE 90 /* Message too long */
#define EPROTOTYPE 91 /* Protocol wrong type for socket */
#define ENOPROTOOPT 92 /* Protocol not available */
#define EPROTONOSUPPORT 93 /* Protocol not supported */
#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */
#define EPFNOSUPPORT 96 /* Protocol family not supported */
#define EAFNOSUPPORT 97 /* Address family not supported by protocol */
#define EADDRINUSE 98 /* Address already in use */
#define EADDRNOTAVAIL 99 /* Cannot assign requested address */
#define ENETDOWN 100 /* Network is down */
#define ENETUNREACH 101 /* Network is unreachable */
#define ENETRESET 102 /* Network dropped connection because of reset */
#define ECONNABORTED 103 /* Software caused connection abort */
#define ECONNRESET 104 /* Connection reset by peer */
#define ENOBUFS 105 /* No buffer space available */
#define EISCONN 106 /* Transport endpoint is already connected */
#define ENOTCONN 107 /* Transport endpoint is not connected */
#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */
#define ETOOMANYREFS 109 /* Too many references: cannot splice */
#define ETIMEDOUT 110 /* Connection timed out */
#define ECONNREFUSED 111 /* Connection refused */
#define EHOSTDOWN 112 /* Host is down */
#define EHOSTUNREACH 113 /* No route to host */
#define EALREADY 114 /* Operation already in progress */
#define EINPROGRESS 115 /* Operation now in progress */
#define ESTALE 116 /* Stale NFS file handle */
#define EUCLEAN 117 /* Structure needs cleaning */
#define ENOTNAM 118 /* Not a XENIX named type file */
#define ENAVAIL 119 /* No XENIX semaphores available */
#define EISNAM 120 /* Is a named type file */
#define ENOKEY 126 /* Required key not available */
#define EKEYEXPIRED 127 /* Key has expired */
#define EKEYREVOKED 128 /* Key has been revoked */
#define EKEYREJECTED 129 /* Key was rejected by service */
#define EOWNERDEAD 130 /* Owner died */
#define ENOTRECOVERABLE 131 /* State not recoverable */
#define ERFKILL 132 /* Operation not possible due to RF-kill */
#define EHWPOISON 133 /* Memory page has hardware error */
标准库errno.h 查看错误代码编号,errno:4 与error:2的更多相关文章
- C 标准库 - <math.h>
C 标准库 - <math.h> 简介 math.h 头文件定义了各种数学函数和一个宏.在这个库中所有可用的功能都带有一个 double 类型的参数,且都返回 double类型的结果. 库 ...
- C 标准库 - ctype.h
C 标准库 - ctype.h This header declares a set of functions to classify and transform individual charact ...
- C 标准库 - string.h
C 标准库 - string.h This header file defines several functions to manipulate C strings and arrays. stri ...
- C 标准库 - <assert.h>
C 标准库 - <assert.h> 简介 C 标准库的 assert.h头文件提供了一个名为 assert 的宏,它可用于验证程序做出的假设,并在假设为假时输出诊断消息. 已定义的宏 a ...
- C 标准库 - <stdarg.h>
C 标准库 - <stdarg.h> 简介 stdarg.h 头文件定义了一个变量类型 va_list 和三个宏,这三个宏可用于在参数个数未知(即参数个数可变)时获取函数中的参数. 可变参 ...
- C 标准库 - <signal.h>
C 标准库 - <signal.h> 简介 signal.h 头文件定义了一个变量类型 sig_atomic_t.两个函数调用和一些宏来处理程序执行期间报告的不同信号. 库变量 下面是头文 ...
- C 标准库 - <setjmp.h>
C 标准库 - <setjmp.h> 简介 setjmp.h 头文件定义了宏 setjmp().函数 longjmp() 和变量类型 jmp_buf,该变量类型会绕过正常的函数调用和返回规 ...
- C 标准库 - <locale.h>
C 标准库 - <locale.h> 简介 locale.h 头文件定义了特定地域的设置,比如日期格式和货币符号.接下来我们将介绍一些宏,以及一个重要的结构 struct lconv 和两 ...
- C 标准库 - <limits.h>
C 标准库 - <limits.h> 简介 limits.h 头文件决定了各种变量类型的各种属性.定义在该头文件中的宏限制了各种变量类型(比如 char.int 和 long)的值. 这些 ...
随机推荐
- [CareerCup] 11.4 Sort the File 文件排序
11.4 Imagine you have a 20 GB file with one string per line. Explain how you would sort the file. 这道 ...
- 20145208 《Java程序设计》第10周学习总结
20145208 <Java程序设计>第10周学习总结 教材学习内容总结 了解JAVA网络编程的基础知识 这一部分知识的学习在我的实验中有叙述实验五 补充内容: 在现有的网络中,网络通讯的 ...
- <实训|第三天>Linux登录界面的修改以及Richard Stallman、自由软件运动
在写博客之前我想说两点: 承认一个错误,昨天写的实训第二天,我把redhat6.7写成了Linux6.7,感谢热心人士的指出! 昨天写的文章名字太长了,今天改善,内容感觉表述不全,希望各位谅解! 官方 ...
- ASP.NET MVC5 插件化机制简单实现
一.前言 nopCommerce的插件机制的核心是使用BuildManager.AddReferencedAssembly将使用Assembly.Load加载的插件程序集添加到应用程序域的引用中.具体 ...
- jdbc基础 (五) 连接池与数据源 DBCP以及C3P0的使用
一.连接池的概念和使用 在实际应用开发中,特别是在WEB应用系统中,如果JSP.Servlet或EJB使用JDBC直接访问数据库中的数据,每一次数据访问请求都必须经历建立数据库连接.打开数据库.存取数 ...
- sublime 插件的安装
sublime(text3)插件的安装 之前一直对sublime插件的安装搞不懂,导致自己不能充分地运用它的便捷性.昨天仔细看了下百度,恍然大悟,一下子把必备的插件都装了: 对于插件的安装,首先要在s ...
- [转]C#创建服务及使用程序自动安装服务,.NET创建一个即是可执行程序又是Windows服务的exe
写在前面 原文地址:C#创建服务及使用程序自动安装服务,.NET创建一个即是可执行程序又是Windows服务的exe 这篇文章躺在我的收藏夹中有很长一段时间了,今天闲着没事,就自己动手实践了一下.感觉 ...
- JavaScript表单处理(上)
为了分担服务器处理表单的压力,JavaScript提供了一些解决方案,从而大大打破了处处依赖服务器的局面. 发文不易,转载请亲注明出处,谢谢! 一.表单介绍 在HTML中,表单是由<form& ...
- [转载]NSString中判断中文,英文,数字
曾有需求做个用户名中非法字符的判断,要求是只能输入中英文和数字,其他字符一律非法,故写了下边一个程序mark一下吧~~ NSString *testString = @"春1mianBU觉晓 ...
- new-nav-css
header:before, header:after ,.navigation:before, .navigation:after,.nav-row:before, .nav-row:after,. ...