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#ifndef ERRNO_H
#define ERRNO_H
// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
#define E2BIG 1 // Argument list too long.
#define EACCES 2 // Permission denied.
#define EADDRINUSE 3 // Address in use.
#define EADDRNOTAVAIL 4 // Address not available.
#define EAFNOSUPPORT 5 // Address family not supported.
#define EAGAIN 6 // Resource unavailable, try again.
#define EALREADY 7 // Connection already in progress.
#define EBADF 8 // Bad file descriptor.
#define EBADMSG 9 // Bad message.
#define EBUSY 10 // Device or resource busy.
#define ECANCELED 11 // Operation canceled.
#define ECHILD 12 // No child processes.
#define ECONNABORTED 13 // Connection aborted.
#define ECONNREFUSED 14 // Connection refused.
#define ECONNRESET 15 // Connection reset.
#define EDEADLK 16 // Resource deadlock would occur.
#define EDESTADDRREQ 17 // Destination address required.
#define EDOM 18 // Mathematics argument out of domain of function.
#define EDQUOT 19 // Reserved.
#define EEXIST 20 // File exists.
#define EFAULT 21 // Bad address.
#define EFBIG 22 // File too large.
#define EHOSTUNREACH 23 // Host is unreachable.
#define EIDRM 24 // Identifier removed.
#define EILSEQ 25 // Illegal byte sequence.
#define EINPROGRESS 26 // Operation in progress.
#define EINTR 27 // Interrupted function.
#define EINVAL 28 // Invalid argument.
#define EIO 29 // I/O error.
#define EISCONN 30 // Socket is connected.
#define EISDIR 31 // Is a directory.
#define ELOOP 32 // Too many levels of symbolic links.
#define EMFILE 33 // File descriptor value too large.
#define EMLINK 34 // Too many links.
#define EMSGSIZE 35 // Message too large.
#define EMULTIHOP 36 // Reserved.
#define ENAMETOOLONG 37 // Filename too long.
#define ENETDOWN 38 // Network is down.
#define ENETRESET 39 // Connection aborted by network.
#define ENETUNREACH 40 // Network unreachable.
#define ENFILE 41 // Too many files open in system.
#define ENOBUFS 42 // No buffer space available.
#define ENODATA 43 // No message is available on the STREAM head read queue.
#define ENODEV 44 // No such device.
#define ENOENT 45 // No such file or directory.
#define ENOEXEC 46 // Executable file format error.
#define ENOLCK 47 // No locks available.
#define ENOLINK 48 // Reserved.
#define ENOMEM 49 // Not enough space.
#define ENOMSG 50 // No message of the desired type.
#define ENOPROTOOPT 51 // Protocol not available.
#define ENOSPC 52 // No space left on device.
#define ENOSR 53 // No STREAM resources.
#define ENOSTR 54 // Not a STREAM.
#define ENOSYS 55 // Functionality not supported.
#define ENOTCONN 56 // The socket is not connected.
#define ENOTDIR 57 // Not a directory or a symbolic link to a directory.
#define ENOTEMPTY 58 // Directory not empty.
#define ENOTRECOVERABLE 59 // State not recoverable.
#define ENOTSOCK 60 // Not a socket.
#define ENOTSUP 61 // Not supported (may be the same value as.
#define ENOTTY 62 // Inappropriate I/O control operation.
#define ENXIO 63 // No such device or address.
#define EOPNOTSUPP ENOTSUP // Operation not supported on socket.
#define EOVERFLOW 65 // Value too large to be stored in data type.
#define EOWNERDEAD 66 // Previous owner died.
#define EPERM 67 // Operation not permitted.
#define EPIPE 68 // Broken pipe.
#define EPROTO 69 // Protocol error.
#define EPROTONOSUPPORT 70 // Protocol not supported.
#define EPROTOTYPE 71 // Protocol wrong type for socket.
#define ERANGE 72 // Result too large.
#define EROFS 73 // Read-only file system.
#define ESPIPE 74 // Invalid seek.
#define ESRCH 75 // No such process.
#define ESTALE 76 // Reserved.
#define ETIME 77 // Stream ioctl() timeout.
#define ETIMEDOUT 78 // Connection timed out.
#define ETXTBSY 79 // Text file busy.
#define EWOULDBLOCK EAGAIN // Operation would block.
#define EXDEV 81 // Cross-device link.
#endif
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