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GNU/Linux |
CentOS 4.8 |
i386 |
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errno.h(0p) |
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errno.h − system error numbers
#include <errno.h>
Some of the functionality described on this reference page extends the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of IEEE Std 1003.1-2001 defers to the ISO C standard.
The ISO C standard only requires the symbols [EDOM], [EILSEQ], and [ERANGE] to be defined.
The <errno.h> header shall provide a declaration for errno and give positive values for the following symbolic constants. Their values shall be unique except as noted below.
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E2BIG |
Argument list too long. |
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EACCES |
Permission denied. |
EADDRINUSE
Address in use.
EADDRNOTAVAIL
Address not available.
EAFNOSUPPORT
Address family not supported.
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EAGAIN |
Resource unavailable, try again (may be the same value as [EWOULDBLOCK]). |
EALREADY
Connection already in progress.
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EBADF |
Bad file descriptor. |
EBADMSG
Bad message.
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EBUSY |
Device or resource busy. |
ECANCELED
Operation canceled.
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ECHILD |
No child processes. |
ECONNABORTED
Connection aborted.
ECONNREFUSED
Connection refused.
ECONNRESET
Connection reset.
EDEADLK
Resource deadlock would occur.
EDESTADDRREQ
Destination address required.
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EDOM |
Mathematics argument out of domain of function. |
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EDQUOT |
Reserved. |
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EEXIST |
File exists. |
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EFAULT |
Bad address. |
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EFBIG |
File too large. |
EHOSTUNREACH
Host is unreachable.
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EIDRM |
Identifier removed. |
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EILSEQ |
Illegal byte sequence. |
EINPROGRESS
Operation in progress.
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EINTR |
Interrupted function. |
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EINVAL |
Invalid argument. |
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EIO |
I/O error. |
EISCONN
Socket is connected.
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EISDIR |
Is a directory. |
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ELOOP |
Too many levels of symbolic links. |
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EMFILE |
Too many open files. |
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EMLINK |
Too many links. |
EMSGSIZE
Message too large.
EMULTIHOP
Reserved.
ENAMETOOLONG
Filename too long.
ENETDOWN
Network is down.
ENETRESET
Connection aborted by network.
ENETUNREACH
Network unreachable.
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ENFILE |
Too many files open in system. |
ENOBUFS
No buffer space available.
ENODATA
No message is available on the STREAM head read queue.
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ENODEV |
No such device. |
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ENOENT |
No such file or directory. |
ENOEXEC
Executable file format error.
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ENOLCK |
No locks available. |
ENOLINK
Reserved.
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ENOMEM |
Not enough space. |
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ENOMSG |
No message of the desired type. |
ENOPROTOOPT
Protocol not available.
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ENOSPC |
No space left on device. |
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ENOSR |
No STREAM resources. |
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ENOSTR |
Not a STREAM. |
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ENOSYS |
Function not supported. |
ENOTCONN
The socket is not connected.
ENOTDIR
Not a directory.
ENOTEMPTY
Directory not empty.
ENOTSOCK
Not a socket.
ENOTSUP
Not supported.
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ENOTTY |
Inappropriate I/O control operation. |
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ENXIO |
No such device or address. |
EOPNOTSUPP
Operation not supported on socket.
EOVERFLOW
Value too large to be stored in data type.
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EPERM |
Operation not permitted. |
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EPIPE |
Broken pipe. |
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EPROTO |
Protocol error. |
EPROTONOSUPPORT
Protocol not supported.
EPROTOTYPE
Protocol wrong type for socket.
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ERANGE |
Result too large. |
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EROFS |
Read-only file system. |
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ESPIPE |
Invalid seek. |
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ESRCH |
No such process. |
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ESTALE |
Reserved. |
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ETIME |
Stream ioctl() timeout. |
ETIMEDOUT
Connection timed out.
ETXTBSY
Text file busy.
EWOULDBLOCK
Operation would block (may be the same value as [EAGAIN]).
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EXDEV |
Cross-device link. |
The following sections are informative.
Additional error numbers may be defined on conforming systems; see the System Interfaces volume of IEEE Std 1003.1-2001.
None.
None.
The System Interfaces volume of IEEE Std 1003.1-2001, Section 2.3, Error Numbers
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .
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errno.h(0p) | |