Linux 的errno定义，头文件#include  <errno.h>

　　124 EMEDIUMTYPE   Wrong medium type

　　123 ENOMEDIUM     No medium found

　　122 EDQUOT        Disk quota exceeded

　　121 EREMOTEIO     Remote I/O error

　　120 EISNAM        Is a named type file

　　119 ENAVAIL       No XENIX semaphores available

　　118 ENOTNAM       Not a XENIX named type file

　　117 EUCLEAN       Structure needs cleaning

　　116 ESTALE        Stale NFS file handle

　　115 EINPROGRESS  +Operation now in progress

　　114 EALREADY      Operation already in progress

　　113 EHOSTUNREACH  No route to host

　　112 EHOSTDOWN     Host is down

　　111 ECONNREFUSED  Connection refused

　　110 ETIMEDOUT    +Connection timed out

　　109 ETOOMANYREFS  Too many references: cannot splice

　　108 ESHUTDOWN     Cannot send after transport endpoint shutdown

　　107 ENOTCONN      Transport endpoint is not connected

　　106 EISCONN       Transport endpoint is already connected

　　105 ENOBUFS       No buffer space available

　　104 ECONNRESET    Connection reset by peer

　　103 ECONNABORTED  Software caused connection abort

　　102 ENETRESET     Network dropped connection on reset

　　101 ENETUNREACH   Network is unreachable

　　100 ENETDOWN      Network is down

　　99 EADDRNOTAVAIL Cannot assign requested address

　　98 EADDRINUSE    Address already in use

　　97 EAFNOSUPPORT  Address family not supported by protocol

　　96 EPFNOSUPPORT  Protocol family not supported

　　95 EOPNOTSUPP    Operation not supported

　　94 ESOCKTNOSUPPORT Socket type not supported

　　93 EPROTONOSUPPORT Protocol not supported

　　92 ENOPROTOOPT   Protocol not available

　　91 EPROTOTYPE    Protocol wrong type for socket

　　90 EMSGSIZE     +Message too long

　　89 EDESTADDRREQ  Destination address required

　　88 ENOTSOCK      Socket operation on non-socket

　　87 EUSERS        Too many users

　　86 ESTRPIPE      Streams pipe error

　　85 ERESTART      Interrupted system call should be restarted

　　84 EILSEQ        Invalid or incomplete multibyte or wide character

　　83 ELIBEXEC      Cannot exec a shared library directly

　　82 ELIBMAX       Attempting to link in too many shared libraries

　　81 ELIBSCN       .lib section in a.out corrupted

　　80 ELIBBAD       Accessing a corrupted shared library

　　79 ELIBACC       Can not access a needed shared library

　　78 EREMCHG       Remote address changed

　　77 EBADFD        File descriptor in bad state

　　76 ENOTUNIQ      Name not unique on network

　　75 EOVERFLOW     Value too large for defined data type

　　74 EBADMSG      +Bad message

　　73 EDOTDOT       RFS specific error

　　72 EMULTIHOP     Multihop attempted

　　71 EPROTO        Protocol error

　　70 ECOMM         Communication error on send

　　69 ESRMNT        Srmount error

　　68 EADV          Advertise error

　　67 ENOLINK       Link has been severed

　　66 EREMOTE       Object is remote

　　65 ENOPKG        Package not installed

　　64 ENONET        Machine is not on the network

　　63 ENOSR         Out of streams resources

　　62 ETIME         Timer expired

　　61 ENODATA       No data available

　　60 ENOSTR        Device not a stream

　　59 EBFONT        Bad font file format

　　57 EBADSLT       Invalid slot

　　56 EBADRQC       Invalid request code

　　55 ENOANO        No anode

　　54 EXFULL        Exchange full

　　53 EBADR         Invalid request descriptor

　　52 EBADE         Invalid exchange

　　51 EL2HLT        Level 2 halted

　　50 ENOCSI        No CSI structure available

　　49 EUNATCH       Protocol driver not attached

　　48 ELNRNG        Link number out of range

　　47 EL3RST        Level 3 reset

　　46 EL3HLT        Level 3 halted

　　45 EL2NSYNC      Level 2 not synchronized

　　44 ECHRNG        Channel number out of range

　　43 EIDRM         Identifier removed

　　42 ENOMSG        No message of desired type

　　40 ELOOP         Too many levels of symbolic links

　　39 ENOTEMPTY    +Directory not empty

　　38 ENOSYS       +Function not implemented

　　37 ENOLCK       +No locks available

　　36 ENAMETOOLONG +File name too long

　　35 EDEADLK      +Resource deadlock avoided

　　34 ERANGE       +Numerical result out of range

　　33 EDOM         +Numerical argument out of domain

　　32 EPIPE        +Broken pipe

　　31 EMLINK       +Too many links

　　30 EROFS        +Read-only file system

　　29 ESPIPE       +Illegal seek

　　28 ENOSPC       +No space left on device

　　27 EFBIG        +File too large

　　26 ETXTBSY       Text file busy

　　25 ENOTTY       +Inappropriate ioctl for device

　　24 EMFILE       +Too many open files

　　23 ENFILE       +Too many open files in system

　　22 EINVAL       +Invalid argument

　　21 EISDIR       +Is a directory

　　20 ENOTDIR      +Not a directory

　　19 ENODEV       +No such device

　　18 EXDEV        +Invalid cross-device link

　　17 EEXIST       +File exists

　　16 EBUSY        +Device or resource busy

　　15 ENOTBLK       Block device required

　　14 EFAULT       +Bad address

　　13 EACCES       +Permission denied

　　12 ENOMEM       +Cannot allocate memory

　　11 EAGAIN       +Resource temporarily unavailable

　　10 ECHILD       +No child processes

　　9 EBADF        +Bad file descriptor

　　8 ENOEXEC      +Exec format error

　　7 E2BIG        +Argument list too long

　　6 ENXIO        +No such device or address

　　5 EIO          +Input/output error

　　4 EINTR        +Interrupted system call

　　3 ESRCH        +No such process

　　2 ENOENT       +No such file or directory

　　1 EPERM        +Operation not permitted

　　0                    Success