1 #define EPERM 1 // Operation not permitted 操作不允许 2 #define ENOENT 2 // No such file or directory 文件/路径不存在 3 #define ESRCH 3 // No such process 进程不存在 4 #define EINTR 4 // Interrupted system call 中断的系统调用 5 #define EIO 5 // I/O error I/O错误 6 #define ENXIO 6 // No such device or address 设备/地址不存在 7 #define E2BIG 7 // Arg list too long 参数列表过长 8 #define ENOEXEC 8 // Exec format error 执行格式错误 9 #define EBADF 9 // Bad file number 错误文件编号 10 #define ECHILD 10 // No child processes 子进程不存在 11 #define EAGAIN 11 // Try again 重试 12 #define ENOMEM 12 // Out of memory 内存不足 13 #define EACCES 13 // Permission denied 无权限 14 #define EFAULT 14 // Bad address 地址错误 15 #define ENOTBLK 15 // Block device required 需要块设备 16 #define EBUSY 16 // Device or resource busy 设备或资源忙 17 #define EEXIST 17 // File exists 文件已存在 18 #define EXDEV 18 // Cross-device link 跨设备链路 19 #define ENODEV 19 // No such device 设备不存在 20 #define ENOTDIR 20 // Not a directory 路径不存在 21 #define EISDIR 21 // Is a directory 是路径 22 #define EINVAL 22 // Invalid argument 无效参数 23 #define ENFILE 23 // File table overflow 文件表溢出 24 #define EMFILE 24 // Too many open files 打开的文件过多 25 #define ENOTTY 25 // Not a typewriter 非打字机 26 #define ETXTBSY 26 // Text file busy 文本文件忙 27 #define EFBIG 27 // File too large 文件太大 28 #define ENOSPC 28 // No space left on device 设备无空间 29 #define ESPIPE 29 // Illegal seek 非法查询 30 #define EROFS 30 // Read-only file system 只读文件系统 31 #define EMLINK 31 // Too many links 链接太多 32 #define EPIPE 32 // Broken pipe 管道破裂 33 #define EDOM 33 // Math argument out of domain of func 参数超出函数域 34 #define ERANGE 34 // Math result not representable 结果无法表示 35 #define EDEADLK 35 // Resource deadlock would occur 资源将发生死锁 36 #define ENAMETOOLONG 36 // File name too long 文件名太长 37 #define ENOLCK 37 // No record locks available 没有可用的记录锁 38 #define ENOSYS 38 // Function not implemented 函数未实现 39 #define ENOTEMPTY 39 // Directory not empty 目录非空 40 #define ELOOP 40 // Too many symbolic links encountered 遇到太多符号链接 41 #define EWOULDBLOCK EAGAIN // Operation would block 操作会阻塞 42 #define ENOMSG 42 // No message of desired type 没有符合需求类型的消息 43 #define EIDRM 43 // Identifier removed 标识符已删除 44 #define ECHRNG 44 // Channel number out of range 通道编号超出范围 45 #define EL2NSYNC 45 // Level 2 not synchronized level2不同步 46 #define EL3HLT 46 // Level 3 halted 3级停止 47 #define EL3RST 47 // Level 3 reset 3级重置 48 #define ELNRNG 48 // Link number out of range 链接编号超出范围 49 #define EUNATCH 49 // Protocol driver not attached 协议驱动程序没有连接 50 #define ENOCSI 50 // No CSI structure available 没有可用的CSI结构 51 #define EL2HLT 51 // Level 2 halted 2级停止 52 #define EBADE 52 // Invalid exchange 无效交换 53 #define EBADR 53 // Invalid request descriptor 无效请求描述 54 #define EXFULL 54 // Exchange full 交换完全 55 #define ENOANO 55 // No anode 无阳极 56 #define EBADRQC 56 // Invalid request code 无效请求码 57 #define EBADSLT 57 // Invalid slot 无效插槽 58 #define EDEADLOCK EDEADLK 59 #define EBFONT 59 // Bad font file format 错误的字体文件格式 60 #define ENOSTR 60 // Device not a stream 设备不是流 61 #define ENODATA 61 // No data available 无数据 62 #define ETIME 62 // Timer expired 计时器到期 63 #define ENOSR 63 // Out of streams resources 流资源不足 64 #define ENONET 64 // Machine is not on the network 机器不在网络上 65 #define ENOPKG 65 // Package not installed 包未安装 66 #define EREMOTE 66 // Object is remote 对象是远程 67 #define ENOLINK 67 // Link has been severed 链接正在服务中 68 #define EADV 68 // Advertise error 广告错误 69 #define ESRMNT 69 // Srmount error ？ 70 #define ECOMM 70 // Communication error on send 发送过程中通讯错误 71 #define EPROTO 71 // Protocol error 协议错误 72 #define EMULTIHOP 72 // Multihop attempted 多跳尝试 73 #define EDOTDOT 73 // RFS specific error RFS特定错误 74 #define EBADMSG 74 // Not a data message 不是数据类型消息 75 #define EOVERFLOW 75 // Value too large for defined data type 对指定的数据类型来说值太大 76 #define ENOTUNIQ 76 // Name not unique on network 网络上名字不唯一 77 #define EBADFD 77 // File descriptor in bad state 文件描述符状态错误 78 #define EREMCHG 78 // Remote address changed 远程地址改变 79 #define ELIBACC 79 // Can not access a needed shared library 无法访问需要的共享库 80 #define ELIBBAD 80 // Accessing a corrupted shared library 访问损坏的共享库 81 #define ELIBSCN 81 // .lib section in a.out corrupted 库部分在a.out损坏 82 #define ELIBMAX 82 // Attempting to link in too many shared libraries 试图链接太多的共享库 83 #define ELIBEXEC 83 // Cannot exec a shared library directly 不能直接运行共享库 84 #define EILSEQ 84 // Illegal byte sequence 非法字节序 85 #define ERESTART 85 // Interrupted system call should be restarted 应重新启动被中断的系统调用 86 #define ESTRPIPE 86 // Streams pipe error 流管错误 87 #define EUSERS 87 // Too many users 用户太多 88 #define ENOTSOCK 88 // Socket operation on non-socket 在非套接字上进行套接字操作 89 #define EDESTADDRREQ 89 // Destination address required 需要目的地址 90 #define EMSGSIZE 90 // Message too long 消息太长 91 #define EPROTOTYPE 91 // Protocol wrong type for socket 错误协议类型 92 #define ENOPROTOOPT 92 // Protocol not available 协议不可用 93 #define EPROTONOSUPPORT 93 // Protocol not supported 不支持协议 94 #define ESOCKTNOSUPPORT 94 // Socket type not supported 不支持套接字类型 95 #define EOPNOTSUPP 95 // Operation not supported on transport endpoint 操作上不支持传输端点 96 #define EPFNOSUPPORT 96 // Protocol family not supported 不支持协议族 97 #define EAFNOSUPPORT 97 // Address family not supported by protocol 协议不支持地址群 98 #define EADDRINUSE 98 // Address already in use 地址已被使用 99 #define EADDRNOTAVAIL 99 // Cannot assign requested address 无法分配请求的地址 100 #define ENETDOWN 100 // Network is down 网络已关闭 101 #define ENETUNREACH 101 // Network is unreachable 网络不可达 102 #define ENETRESET 102 // Network dropped connection because of reset 网络由于复位断开连接 103 #define ECONNABORTED 103 // Software caused connection abort 软件导致连接终止 104 #define ECONNRESET 104 // Connection reset by peer 连接被对方复位 105 #define ENOBUFS 105 // No buffer space available 没有可用的缓存空间 106 #define EISCONN 106 // Transport endpoint is already connected 传输端点已连接 107 #define ENOTCONN 107 // Transport endpoint is not connected 传输端点未连接 108 #define ESHUTDOWN 108 // Cannot send after transport endpoint shutdown 传输端点关闭后不能在发送 109 #define ETOOMANYREFS 109 // Too many references: cannot splice 太多的引用：无法接合 110 #define ETIMEDOUT 110 // Connection timed out 连接超时 111 #define ECONNREFUSED 111 // Connection refused 连接被拒绝 112 #define EHOSTDOWN 112 // Host is down 主机已关闭 113 #define EHOSTUNREACH 113 // No route to host 无法路由到主机 114 #define EALREADY 114 // Operation already in progress 操作已在进程中 115 #define EINPROGRESS 115 // Operation now in progress 进程中正在进行的操作 116 #define ESTALE 116 // Stale NFS file handle 117 #define EUCLEAN 117 // Structure needs cleaning 118 #define ENOTNAM 118 // Not a XENIX named type file 119 #define ENAVAIL 119 // No XENIX semaphores available 120 #define EISNAM 120 // Is a named type file 121 #define EREMOTEIO 121 // Remote I/O error 122 #define EDQUOT 122 // Quota exceeded 123 #define ENOMEDIUM 123 // No medium found 124 #define EMEDIUMTYPE 124 // Wrong medium type