Are you tired of grepping /usr/include to figure out what that system error number means? Here's a handy guide to all the errno values for your system. Use your browser search functionality to find the one you're looking for or just scroll down the table.
You are viewing the error codes for Windows; if you want to view the error codes for a different operating system, select it from the dropdown menu.
# #define Description1 EPERM Operation not permitted2 ENOENT No such file or directory3 ESRCH No such process4 EINTR Interrupted system call5 EIO I/O error6 ENXIO No such device or address7 E2BIG Argument list too long8 ENOEXEC Exec format error9 EBADF Bad file number10 ECHILD No spawned processes11 EAGAIN No more processes or not enough memory or maximum nesting level reached12 ENOMEM Not enough memory13 EACCES Permission denied14 EFAULT Bad address16 EBUSY Device or resource busy17 EEXIST File exists18 EXDEV Cross-device link19 ENODEV No such device20 ENOTDIR Not a directory21 EISDIR Is a directory22 EINVAL Invalid argument23 ENFILE Too many files open in system24 EMFILE Too many open files25 ENOTTY Inappropriate I/O control operation27 EFBIG File too large28 ENOSPC No space left on device29 ESPIPE Invalid seek30 EROFS Read-only file system31 EMLINK Too many links32 EPIPE Broken pipe33 EDOM Math argument34 ERANGE Result too large36 EDEADLK Resource deadlock would occur36 EDEADLOCK Same as EDEADLK38 ENAMETOOLONG Filename too long39 ENOLCK No locks available40 ENOSYS Function not supported41 ENOTEMPTY Directory not empty42 EILSEQ Illegal byte sequence80 STRUNCATE String was truncated
To load the error information as JSON, use:
/api/errno/windows/json
[
{
"const" : "EPERM",
"desc" : "Operation not permitted",
"errno" : 1
},
{
"const" : "ENOENT",
"desc" : "No such file or directory",
"errno" : 2
},
{
"const" : "ESRCH",
"desc" : "No such process",
"errno" : 3
},
{
"const" : "EINTR",
"desc" : "Interrupted system call",
"errno" : 4
},
{
"const" : "EIO",
"desc" : "I/O error",
"errno" : 5
},
{
"const" : "ENXIO",
"desc" : "No such device or address",
"errno" : 6
},
{
"const" : "E2BIG",
"desc" : "Argument list too long",
"errno" : 7
},
{
"const" : "ENOEXEC",
"desc" : "Exec format error",
"errno" : 8
},
{
"const" : "EBADF",
"desc" : "Bad file number",
"errno" : 9
},
{
"const" : "ECHILD",
"desc" : "No spawned processes",
"errno" : 10
},
{
"const" : "EAGAIN",
"desc" : "No more processes or not enough memory or maximum nesting level reached",
"errno" : 11
},
{
"const" : "ENOMEM",
"desc" : "Not enough memory",
"errno" : 12
},
{
"const" : "EACCES",
"desc" : "Permission denied",
"errno" : 13
},
{
"const" : "EFAULT",
"desc" : "Bad address",
"errno" : 14
},
{
"const" : "EBUSY",
"desc" : "Device or resource busy",
"errno" : 16
},
{
"const" : "EEXIST",
"desc" : "File exists",
"errno" : 17
},
{
"const" : "EXDEV",
"desc" : "Cross-device link",
"errno" : 18
},
{
"const" : "ENODEV",
"desc" : "No such device",
"errno" : 19
},
{
"const" : "ENOTDIR",
"desc" : "Not a directory",
"errno" : 20
},
{
"const" : "EISDIR",
"desc" : "Is a directory",
"errno" : 21
},
{
"const" : "EINVAL",
"desc" : "Invalid argument",
"errno" : 22
},
{
"const" : "ENFILE",
"desc" : "Too many files open in system",
"errno" : 23
},
{
"const" : "EMFILE",
"desc" : "Too many open files",
"errno" : 24
},
{
"const" : "ENOTTY",
"desc" : "Inappropriate I/O control operation",
"errno" : 25
},
{
"const" : "EFBIG",
"desc" : "File too large",
"errno" : 27
},
{
"const" : "ENOSPC",
"desc" : "No space left on device",
"errno" : 28
},
{
"const" : "ESPIPE",
"desc" : "Invalid seek",
"errno" : 29
},
{
"const" : "EROFS",
"desc" : "Read-only file system",
"errno" : 30
},
{
"const" : "EMLINK",
"desc" : "Too many links",
"errno" : 31
},
{
"const" : "EPIPE",
"desc" : "Broken pipe",
"errno" : 32
},
{
"const" : "EDOM",
"desc" : "Math argument",
"errno" : 33
},
{
"const" : "ERANGE",
"desc" : "Result too large",
"errno" : 34
},
{
"const" : "EDEADLK",
"desc" : "Resource deadlock would occur",
"errno" : 36
},
{
"const" : "EDEADLOCK",
"desc" : "Same as EDEADLK",
"errno" : 36
},
{
"const" : "ENAMETOOLONG",
"desc" : "Filename too long",
"errno" : 38
},
{
"const" : "ENOLCK",
"desc" : "No locks available",
"errno" : 39
},
{
"const" : "ENOSYS",
"desc" : "Function not supported",
"errno" : 40
},
{
"const" : "ENOTEMPTY",
"desc" : "Directory not empty",
"errno" : 41
},
{
"const" : "EILSEQ",
"desc" : "Illegal byte sequence",
"errno" : 42
},
{
"const" : "STRUNCATE",
"desc" : "String was truncated",
"errno" : 80
}
]
For JSONP, add a callback value as a query parameter:
/api/errno/windows/json?callback=myCallback