1

EPERM

Operation not allowed

2

ENOENT

No files or directories of this type

3

ESRCH

No process of this type

4

EINTR

System call aborted

5

EIO

I/O error

6

ENXIO

No devices or addresses of this type

7

E2BIG

List of arguments too long

8

ENOEXEC

Execution format error

9

EBADF

Wrong file number

10

ECHILD

No child process

11

EAGAIN

Try again

12

ENOMEM

Out of memory

13

EACCES

Permissions denied

14

EFAULT

Wrong address

15

ENOTBLK

Block device required

16

EBUSY

Device or resource busy

17

EEXIST

File exists

18

EXDEV

Link between devices

19

ENODEV

Device does not exist

20

ENOTDIR

It is not a directory

21

EISDIR

It is a directory

22

EINVAL

Invalid argument

23

ENFILE

File table overflow

24

EMFILE

Too many opened files

25

ENOTTY

It is not a typewriter

26

ETXTBSY

Text file busy

27

EFBIG

File too large

28

ENOSPC

No more space on the device

29

ESPIPE

Illegal search

30

EROFS

Read-only file system

31

EMLINK

Too many links

32

EPIPE

Broken pipe

33

EDOM

Mathematical argument outside the domain of the function

34

ERANGE

Mathematical result not representable

35

EDEADLK

Resource deadlock would occur

36

ENAMETOOLONG

File name too long

37

ENOLCK

No record lock available

38

ENOSYS

Function not implemented

39

ENOTEMPTY

Directory not empty

40

ELOOP

Too many symbolic links encountered

42

ENOMSG

No message of desired type

43

EIDRM

Identifier removed

44

ECHRNG

Channel number out of range

48

ELNRNG

Link number out of range

49

EUNATCH

Protocol driver not connected

53

EBADR

Invalid request descriptor

56

EBADRQC

Invalid request code

57

EBADSLT

Invalid slot

60

ENOSTR

Device is not a stream

61

ENODATA

No data available

62

ETIME

Timer expired

63

ENOSR

Stream resources exhausted

64

ENONET

Machine is not on the network

65

ENOPKG

Package not installed

66

EREMOTE

Object is remote

67

ENOLINK

Connection has been broken

68

EADV

Advertisement error

69

ESRMNT

Assembly error

70

ECOMM

Communication error when sending

71

EPROTO

Protocol error

72

EMULTIHOP

Multihop attempt

73

EDOTDOT

RFS-specific error

74

EBADMSG

Not a data message

75

EOVERFLOW

Value too large for defined data type

76

ENOTUNIQ

Name not unique on the network

77

EBADFD

File descriptor in bad state

78

EREMCHG

Remote address changed

79

ELIBACC

Unable to access a needed shared library

80

ELIBBAD

Accessing a damaged shared library

81

ELIBSCN

Corrupted .lib section in a.out

82

ELIBMAX

Attempt to link too many shared libraries

83

ELIBEXEC

Unable to directly execute a shared library

84

EILSEQ

Illegal byte sequence

85

ERESTART

Broken system call needs to be restarted

86

ESTRPIPE

Stream pipe error

87

EUSERS

Too many users

88

ENOTSOCK

Socket operation on non-pocket

89

EDESTADDRREQ

Destination address required

90

EMGSIZE

Message too long

91

EPROTTYPE

Wrong type protocol for socket

92

ENOPROTOOPT

Protocol not available

93

EPROTONOSUPPORT

Protocol not supported

94

ESOCKTNOSUPPORT

Socket type not supported

95

EOPNOTSUPP

Unsupported operation on transport endpoint

96

EPFNOSUPPORT

Protocol family not supported

97

EAFNOSUPPORT

Protocol address family not supported

98

EADDRINUSE

Address already in use

99

EADDRNOTAVAIL

Unable to assign requested address

100

ENETDOWN

Network is down

101

ENETUNREACH

Network is unreachable

102

ENETRESET

Network has broken the connection due to a reset

103

ECONNABORTED

Connection interruption caused by software

104

ECONNRESET

Connection reset by the peer

105

ENOBUFS

No buffer space available

106

EISCONN

Transport endpoint is already connected

107

ENOTCONN

Transport endpoint is not connected

108

ESHUTDOWN

Unable to send after transport endpoint stopped

109

ETOOMANYREFS

Too many references: unable to splice

110

ETIMEDOUT

Connection expired

111

ECONNREFUSED

Connection refused

112

EHOSTDOWN

Host is down

113

EHOSTUNREACH

No path to host

114

EALREADY

Operation already in progress

115

EINPROGRESS

Operation in progress

116

ESTALE

NFS file handle obsolete

117

EUCLEAN

Structure needs to be cleaned up

120

EISNAM

It is a file of type named

121

EREMOTEIO

Remote I/O error

122

EMSGSIZE

Message too long

123

ENOMEDIUM

No support found

124

EMEDIUMTYPE

Wrong type of support