EPERM   1

Operation not permitted.

ENOENT   2

No such file or path.

ESRCH   3

No such process.

EINTR   4

Interrupted function call.

EIO   5

I/O error.

ENXIO   6

No such device or address.

E2BIG   7

Parameter list too long.

ENOEXEC   8

Exec format error.

EBADF   9

Bad file descriptor.

ECHILD   10

No child processes.

EAGAIN   11

Retry.

ENOMEM   12

Not enough memory space.

EACCES   13

Incorrect permission.

EFAULT   14

Invalid address.

ENOTBLK   15

Block device request.

EBUSY   16

Device or resource busy.

EEXIST   17

File exists.

EXDEV   18

Incorrect link.

ENODEV   19

No such device.

ENOTDIR   20

Not a directory.

EISDIR   21

Is a directory.

EINVAL   22

Invalid parameter.

ENFILE   23

Too many opened files in system (the maximum number exceeded)

EMFILE   24

Too many opened files in a process (the maximum number exceeded)

ENOTTY   25

Inappropriate I/O control operation.

ETXTBSY   26

Text file busy.

EFBIG   27

File too large.

ENOSPC   28

No space left on device.

ESPIPE   29

Invalid query.

EROFS   30

Read-only file system.

EMLINK   31

Too many links.

EPIPE   32

The pipe file is incorrect or the read end of the pipe is closed during the write operation.

EDOM   33

Domain error. The value of at least one input parameter is out of the parameter range.

ERANGE   34

The actual return value exceeds the return value range.

EDEADLK   35

Resource deadlock.

ENAMETOOLONG   36

File name too long.

ENOLCK   37

No locks available.

ENOSYS   38

Function not implemented.

ENOTEMPTY   39

Directory not empty.

ELOOP   40

Too many levels of symbolic links.

EWOULDBLOCK   EAGAIN

Operation would block (the same value as EAGAIN)

ENOMSG   42

No message of the desired type.

EIDRM   43

Identifier removed.

ECHRNG   44

Channel number out of range.

EL2NSYNC   45

Level 2 not synchronized.

EL3HLT   46

Level 3 halted.

EL3RST   47

Level 3 reset.

ELNRNG   48

Link ID out of range.

EUNATCH   49

Protocol driver not attached.

ENOCSI   50

No available CSI structure.

EL2HLT   51

Level 2 halted.

EBADE   52

Invalid exchange.

EBADR   53

Invalid request descriptor.

EXFULL   54

Exchange full.

ENOANO   55

No anode.

EBADRQC   56

Invalid request code.

EBADSLT   57

Invalid slot.

EDEADLOCK   EDEADLK

Resource deadlock (the same value as EDEADLK)

EBFONT   59

Incorrect font format.

ENOSTR   60

Not a stream device.

ENODATA   61

No message is available on the stream head read queue.

ETIME   62

Timer expired.

ENOSR   63

No stream resources.

ENONET   64

Machine is disconnected from the network.

ENOPKG   65

Package not installed.

EREMOTE   66

Object is remote.

ENOLINK   67

Link has been severed.

EADV   68

Broadcast error.

ESRMNT   69

srmount error

ECOMM   70

Communication error on send.

EPROTO   71

Protocol error.

EMULTIHOP   72

Multi-hop attempt.

EDOTDOT   73

RFS-specific error.

EBADMSG   74

Non-data message.

EOVERFLOW   75

Value too large to be represented by the defined data type.

ENOTUNIQ   76

Name not unique on the network.

EBADFD   77

File descriptor in the bad state.

EREMCHG   78

Remote address changed.

ELIBACC   79

Cannot access a needed shared library.

ELIBBAD   80

Accessing a corrupted shared library.

ELIBSCN   81

lib section in a.out corrupted

ELIBMAX   82

Attempting to link in too many shared libraries.

ELIBEXEC   83

Cannot execute a shared library directly.

EILSEQ   84

Invalid byte sequence.

ERESTART   85

Interrupted system call should be restarted.

ESTRPIPE   86

Stream pipe error.

EUSERS   87

Too many users.

ENOTSOCK   88

Not a socket.

EDESTADDRREQ   89

Destination address required.

EMSGSIZE   90

Message too long.

EPROTOTYPE   91

Socket protocol error.

ENOPROTOOPT   92

Protocol not available.

EPROTONOSUPPORT   93

Protocol not supported.

ESOCKTNOSUPPORT   94

Socket type not supported.

EOPNOTSUPP   95

Operation not supported on socket.

ENOTSUP   EOPNOTSUPP

Operation not supported on socket. The value is the same as that of EOPNOTSUPP.

EPFNOSUPPORT   96

Protocol family not supported.

EAFNOSUPPORT   97

Address family not supported.

EADDRINUSE   98

Address already in use.

EADDRNOTAVAIL   99

Address not available.

ENETDOWN   100

Network is down.

ENETUNREACH   101

Network unreachable.

ENETRESET   102

Network disconnection caused by restart.

ECONNABORTED   103

Network disconnection caused by software problems.

ECONNRESET   104

Connection reset.

ENOBUFS   105

No buffer space available.

EISCONN   106

Socket is connected.

ENOTCONN   107

Socket disconnected.

ESHUTDOWN   108

Cannot send after transport endpoint shutdown.

ETOOMANYREFS   109

Cannot splice due to too many references.

ETIMEDOUT   110

Connection timed out.

ECONNREFUSED   111

Connection refused.

EHOSTDOWN   112

Host is down.

EHOSTUNREACH   113

Host is unreachable.

EALREADY   114

Operation already in process.

EINPROGRESS   115

Operation in progress.

ESTALE   116

Stale file handle.

EUCLEAN   117

Structure needs cleaning.

ENOTNAM   118

Not a XENIX named type file.

ENAVAIL   119

No XENIX semaphores available.

EISNAM   120

Duplicate file name.

EREMOTEIO   121

Remote I/O error.

EDQUOT   122

Quota exceeded.

ENOMEDIUM   123

No medium found.

EMEDIUMTYPE   124

Wrong medium type.

ECANCELED   125

Operation canceled.

ENOKEY   126

Required key not available.

EKEYEXPIRED   127

Key has expired.

EKEYREVOKED   128

Key has been revoked.

EKEYREJECTED   129

Key was rejected by service.

EOWNERDEAD   130

Resource owner died.

ENOTRECOVERABLE   131

State not recoverable.

ERFKILL   132

Operation not possible due to RF-kill.

EHWPOISON   133

Hardware errors on the memory page.