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@@ -8,177 +8,177 @@ errno.h
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``extern int errno`` : 通用错误代码
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宏定义（复制自代码，了解即可）：
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- #define E2BIG 1 /* 参数列表过长，或者在输出buffer中缺少空间 或者参数比系统内建的最大值要大 Argument list too long. */
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+ #define E2BIG 1 /* 参数列表过长，或者在输出buffer中缺少空间 或者参数比系统内建的最大值要大 Argument list too long.*/
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- #define EACCES 2 /* 访问被拒绝 Permission denied */
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+ #define EACCES 2 /* 访问被拒绝 Permission denied*/
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#define EADDRINUSE 3 /* 地址正在被使用 Address in use.*/
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#define EADDRNOTAVAIL 4 /* 地址不可用 Address not available.*/
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- #define EAFNOSUPPORT 5 /* 地址family不支持 Address family not supported. */
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+ #define EAFNOSUPPORT 5 /* 地址family不支持 Address family not supported.*/
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#define EAGAIN 6 /* 资源不可用，请重试。 Resource unavailable, try again (may be the same value as [EWOULDBLOCK]).*/
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- #define EALREADY 7 /* 连接已经在处理 Connection already in progress. */
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+ #define EALREADY 7 /* 连接已经在处理 Connection already in progress.*/
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- #define EBADF 8 /* 错误的文件描述符 Bad file descriptor. */
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+ #define EBADF 8 /* 错误的文件描述符 Bad file descriptor.*/
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- #define EBADMSG 9 /* 错误的消息 Bad message. */
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+ #define EBADMSG 9 /* 错误的消息 Bad message.*/
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- #define EBUSY 10 /* 设备或资源忙 Device or resource busy. */
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+ #define EBUSY 10 /* 设备或资源忙 Device or resource busy.*/
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- #define ECANCELED 11 /* 操作被取消 Operation canceled. */
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+ #define ECANCELED 11 /* 操作被取消 Operation canceled.*/
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- #define ECHILD 12 /* 没有子进程 No child processes. */
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+ #define ECHILD 12 /* 没有子进程 No child processes.*/
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- #define ECONNABORTED 13 /* 连接已断开 Connection aborted. */
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+ #define ECONNABORTED 13 /* 连接已断开 Connection aborted.*/
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- #define ECONNREFUSED 14 /* 连接被拒绝 Connection refused. */
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+ #define ECONNREFUSED 14 /* 连接被拒绝 Connection refused.*/
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- #define ECONNRESET 15 /* 连接被重置 Connection reset. */
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+ #define ECONNRESET 15 /* 连接被重置 Connection reset.*/
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- #define EDEADLK 16 /* 资源死锁将要发生 Resource deadlock would occur. */
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+ #define EDEADLK 16 /* 资源死锁将要发生 Resource deadlock would occur.*/
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#define EDESTADDRREQ 17 /* 需要目标地址 Destination address required.*/
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- #define EDOM 18 /* 数学参数超出作用域 Mathematics argument out of domain of function. */
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+ #define EDOM 18 /* 数学参数超出作用域 Mathematics argument out of domain of function.*/
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- #define EDQUOT 19 /* 保留使用 Reserved */
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+ #define EDQUOT 19 /* 保留使用 Reserved*/
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- #define EEXIST 20 /* 文件已存在 File exists. */
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+ #define EEXIST 20 /* 文件已存在 File exists.*/
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- #define EFAULT 21 /* 错误的地址 Bad address */
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+ #define EFAULT 21 /* 错误的地址 Bad address*/
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- #define EFBIG 22 /* 文件太大 File too large. */
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+ #define EFBIG 22 /* 文件太大 File too large.*/
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#define EHOSTUNREACH 23 /* 主机不可达 Host is unreachable.*/
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- #define EIDRM 24 /* 标志符被移除 Identifier removed. */
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+ #define EIDRM 24 /* 标志符被移除 Identifier removed.*/
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- #define EILSEQ 25 /* 不合法的字符序列 Illegal byte sequence. */
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+ #define EILSEQ 25 /* 不合法的字符序列 Illegal byte sequence.*/
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- #define EINPROGRESS 26 /* 操作正在处理 Operation in progress. */
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+ #define EINPROGRESS 26 /* 操作正在处理 Operation in progress.*/
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- #define EINTR 27 /* 被中断的函数 Interrupted function. */
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+ #define EINTR 27 /* 被中断的函数 Interrupted function.*/
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- #define EINVAL 28 /* 不可用的参数 Invalid argument. */
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+ #define EINVAL 28 /* 不可用的参数 Invalid argument.*/
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- #define EIO 29 /* I/O错误 I/O error. */
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+ #define EIO 29 /* I/O错误 I/O error.*/
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- #define EISCONN 30 /* 套接字已连接 Socket is connected. */
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+ #define EISCONN 30 /* 套接字已连接 Socket is connected.*/
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- #define EISDIR 31 /* 是一个目录 Is a directory */
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+ #define EISDIR 31 /* 是一个目录 Is a directory*/
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- #define ELOOP 32 /* 符号链接级别过多 Too many levels of symbolic links. */
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+ #define ELOOP 32 /* 符号链接级别过多 Too many levels of symbolic links.*/
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- #define EMFILE 33 /* 文件描述符的值过大 File descriptor value too large. */
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+ #define EMFILE 33 /* 文件描述符的值过大 File descriptor value too large.*/
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- #define EMLINK 34 /* 链接数过多 Too many links. */
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+ #define EMLINK 34 /* 链接数过多 Too many links.*/
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- #define EMSGSIZE 35 /* 消息过大 Message too large. */
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+ #define EMSGSIZE 35 /* 消息过大 Message too large.*/
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- #define EMULTIHOP 36 /* 保留使用 Reserved. */
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+ #define EMULTIHOP 36 /* 保留使用 Reserved.*/
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- #define ENAMETOOLONG 37 /* 文件名过长 Filename too long. */
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+ #define ENAMETOOLONG 37 /* 文件名过长 Filename too long.*/
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- #define ENETDOWN 38 /* 网络已关闭 Network is down. */
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+ #define ENETDOWN 38 /* 网络已关闭 Network is down.*/
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- #define ENETRESET 39 /* 网络连接已断开 Connection aborted by network. */
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+ #define ENETRESET 39 /* 网络连接已断开 Connection aborted by network.*/
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- #define ENETUNREACH 40 /* 网络不可达 Network unreachable. */
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+ #define ENETUNREACH 40 /* 网络不可达 Network unreachable.*/
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#define ENFILE 41 /* 系统中打开的文件过多 Too many files open in system.*/
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- #define ENOBUFS 42 /* 缓冲区空间不足 No buffer space available. */
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+ #define ENOBUFS 42 /* 缓冲区空间不足 No buffer space available.*/
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- #define ENODATA 43 /* 队列头没有可读取的消息 No message is available on the STREAM head read queue. */
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+ #define ENODATA 43 /* 队列头没有可读取的消息 No message is available on the STREAM head read queue.*/
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- #define ENODEV 44 /* 没有指定的设备 No such device. */
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+ #define ENODEV 44 /* 没有指定的设备 No such device.*/
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- #define ENOENT 45 /* 没有指定的文件或目录 No such file or directory. */
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+ #define ENOENT 45 /* 没有指定的文件或目录 No such file or directory.*/
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- #define ENOEXEC 46 /* 可执行文件格式错误 Executable file format error. */
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+ #define ENOEXEC 46 /* 可执行文件格式错误 Executable file format error.*/
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- #define ENOLCK 47 /* 没有可用的锁 No locks available. */
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+ #define ENOLCK 47 /* 没有可用的锁 No locks available.*/
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- #define ENOLINK 48 /* 保留 Reserved. */
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+ #define ENOLINK 48 /* 保留 Reserved.*/
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- #define ENOMEM 49 /* 没有足够的空间 Not enough space. */
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+ #define ENOMEM 49 /* 没有足够的空间 Not enough space.*/
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- #define ENOMSG 50 /* 没有期待类型的消息 No message of the desired type. */
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+ #define ENOMSG 50 /* 没有期待类型的消息 No message of the desired type.*/
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- #define ENOPROTOOPT 51 /* 协议不可用 Protocol not available. */
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+ #define ENOPROTOOPT 51 /* 协议不可用 Protocol not available.*/
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- #define ENOSPC 52 /* 设备上没有空间 No space left on device. */
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+ #define ENOSPC 52 /* 设备上没有空间 No space left on device.*/
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#define ENOSR 53 /* 没有STREAM资源 No STREAM resources.*/
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- #define ENOSTR 54 /* 不是STREAM Not a STREAM */
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+ #define ENOSTR 54 /* 不是STREAM Not a STREAM*/
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- #define ENOSYS 55 /* 功能不支持 Function not supported. */
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+ #define ENOSYS 55 /* 功能不支持 Function not supported.*/
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- #define ENOTCONN 56 /* 套接字未连接 The socket is not connected. */
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+ #define ENOTCONN 56 /* 套接字未连接 The socket is not connected.*/
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- #define ENOTDIR 57 /* 不是目录 Not a directory. */
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+ #define ENOTDIR 57 /* 不是目录 Not a directory.*/
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- #define ENOTEMPTY 58 /* 目录非空 Directory not empty. */
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+ #define ENOTEMPTY 58 /* 目录非空 Directory not empty.*/
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- #define ENOTRECOVERABLE 59 /* 状态不可覆盖 State not recoverable. */
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+ #define ENOTRECOVERABLE 59 /* 状态不可覆盖 State not recoverable.*/
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#define ENOTSOCK 60 /* 不是一个套接字 Not a socket.*/
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- #define ENOTSUP 61 /* 不被支持 Not supported (may be the same value as [EOPNOTSUPP]). */
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+ #define ENOTSUP 61 /* 不被支持 Not supported (may be the same value as [EOPNOTSUPP]).*/
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- #define ENOTTY 62 /* 不正确的I/O控制操作 Inappropriate I/O control operation. */
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+ #define ENOTTY 62 /* 不正确的I/O控制操作 Inappropriate I/O control operation.*/
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- #define ENXIO 63 /* 没有这样的设备或地址 No such device or address. */
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+ #define ENXIO 63 /* 没有这样的设备或地址 No such device or address.*/
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- #define EOPNOTSUPP 64 /* 套接字不支持该操作 Operation not supported on socket (may be the same value as [ENOTSUP]). */
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+ #define EOPNOTSUPP 64 /* 套接字不支持该操作 Operation not supported on socket (may be the same value as [ENOTSUP]).*/
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- #define EOVERFLOW 65 /* 数值过大，产生溢出 Value too large to be stored in data type. */
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+ #define EOVERFLOW 65 /* 数值过大，产生溢出 Value too large to be stored in data type.*/
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- #define EOWNERDEAD 66 /* 之前的拥有者挂了 Previous owner died. */
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+ #define EOWNERDEAD 66 /* 之前的拥有者挂了 Previous owner died.*/
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- #define EPERM 67 /* 操作不被允许 Operation not permitted. */
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+ #define EPERM 67 /* 操作不被允许 Operation not permitted.*/
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- #define EPIPE 68 /* 断开的管道 Broken pipe. */
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+ #define EPIPE 68 /* 断开的管道 Broken pipe.*/
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- #define EPROTO 69 /* 协议错误 Protocol error. */
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+ #define EPROTO 69 /* 协议错误 Protocol error.*/
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- #define EPROTONOSUPPORT 70 /* 协议不被支持 Protocol not supported. */
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+ #define EPROTONOSUPPORT 70 /* 协议不被支持 Protocol not supported.*/
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- #define EPROTOTYPE 71 /* 对于套接字而言，错误的协议 Protocol wrong type for socket. */
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+ #define EPROTOTYPE 71 /* 对于套接字而言，错误的协议 Protocol wrong type for socket.*/
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- #define ERANGE 72 /* 结果过大 Result too large. */
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+ #define ERANGE 72 /* 结果过大 Result too large.*/
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- #define EROFS 73 /* 只读的文件系统 Read-only file system. */
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+ #define EROFS 73 /* 只读的文件系统 Read-only file system.*/
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- #define ESPIPE 74 /* 错误的寻道 Invalid seek. */
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+ #define ESPIPE 74 /* 错误的寻道 Invalid seek.*/
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- #define ESRCH 75 /* 没有这样的进程 No such process. */
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+ #define ESRCH 75 /* 没有这样的进程 No such process.*/
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- #define ESTALE 76 /* 保留 Reserved. */
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+ #define ESTALE 76 /* 保留 Reserved.*/
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- #define ETIME 77 /* 流式ioctl()超时 Stream ioctl() timeout */
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+ #define ETIME 77 /* 流式ioctl()超时 Stream ioctl() timeout*/
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#define ETIMEDOUT 78 /* 连接超时 Connection timed out.*/
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- #define ETXTBSY 79 /* 文本文件忙 Text file busy. */
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+ #define ETXTBSY 79 /* 文本文件忙 Text file busy.*/
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- #define EWOULDBLOCK 80 /* 操作将被禁止 Operation would block (may be the same value as [EAGAIN]). */
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+ #define EWOULDBLOCK 80 /* 操作将被禁止 Operation would block (may be the same value as [EAGAIN]).*/
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- #define EXDEV 81 /* 跨设备连接 Cross-device link. */
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+ #define EXDEV 81 /* 跨设备连接 Cross-device link.*/
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wang904