{
    "mode": "pydoc",
    "parameter": "errno",
    "section": "",
    "url": "https://www.chedong.com/phpMan.php/pydoc/errno/json",
    "generated": "2026-06-02T17:32:05Z",
    "sections": {
        "NAME": {
            "content": "errno - This module makes available standard errno system symbols.\n",
            "subsections": []
        },
        "MODULE REFERENCE": {
            "content": "https://docs.python.org/3.10/library/errno.html\n\nThe following documentation is automatically generated from the Python\nsource files.  It may be incomplete, incorrect or include features that\nare considered implementation detail and may vary between Python\nimplementations.  When in doubt, consult the module reference at the\nlocation listed above.\n",
            "subsections": []
        },
        "DESCRIPTION": {
            "content": "The value of each symbol is the corresponding integer value,\ne.g., on most systems, errno.ENOENT equals the integer 2.\n\nThe dictionary errno.errorcode maps numeric codes to symbol names,\ne.g., errno.errorcode[2] could be the string 'ENOENT'.\n\nSymbols that are not relevant to the underlying system are not defined.\n\nTo map error codes to error messages, use the function os.strerror(),\ne.g. os.strerror(2) could return 'No such file or directory'.\n",
            "subsections": []
        },
        "DATA": {
            "content": "E2BIG = 7\nEACCES = 13\nEADDRINUSE = 98\nEADDRNOTAVAIL = 99\nEADV = 68\nEAFNOSUPPORT = 97\nEAGAIN = 11\nEALREADY = 114\nEBADE = 52\nEBADF = 9\nEBADFD = 77\nEBADMSG = 74\nEBADR = 53\nEBADRQC = 56\nEBADSLT = 57\nEBFONT = 59\nEBUSY = 16\nECANCELED = 125\nECHILD = 10\nECHRNG = 44\nECOMM = 70\nECONNABORTED = 103\nECONNREFUSED = 111\nECONNRESET = 104\nEDEADLK = 35\nEDEADLOCK = 35\nEDESTADDRREQ = 89\nEDOM = 33\nEDOTDOT = 73\nEDQUOT = 122\nEEXIST = 17\nEFAULT = 14\nEFBIG = 27\nEHOSTDOWN = 112\nEHOSTUNREACH = 113\nEIDRM = 43\nEILSEQ = 84\nEINPROGRESS = 115\nEINTR = 4\nEINVAL = 22\nEIO = 5\nEISCONN = 106\nEISDIR = 21\nEISNAM = 120\nEKEYEXPIRED = 127\nEKEYREJECTED = 129\nEKEYREVOKED = 128\nEL2HLT = 51\nEL2NSYNC = 45\nEL3HLT = 46\nEL3RST = 47\nELIBACC = 79\nELIBBAD = 80\nELIBEXEC = 83\nELIBMAX = 82\nELIBSCN = 81\nELNRNG = 48\nELOOP = 40\nEMEDIUMTYPE = 124\nEMFILE = 24\nEMLINK = 31\nEMSGSIZE = 90\nEMULTIHOP = 72\nENAMETOOLONG = 36\nENAVAIL = 119\nENETDOWN = 100\nENETRESET = 102\nENETUNREACH = 101\nENFILE = 23\nENOANO = 55\nENOBUFS = 105\nENOCSI = 50\nENODATA = 61\nENODEV = 19\nENOENT = 2\nENOEXEC = 8\nENOKEY = 126\nENOLCK = 37\nENOLINK = 67\nENOMEDIUM = 123\nENOMEM = 12\nENOMSG = 42\nENONET = 64\nENOPKG = 65\nENOPROTOOPT = 92\nENOSPC = 28\nENOSR = 63\nENOSTR = 60\nENOSYS = 38\nENOTBLK = 15\nENOTCONN = 107\nENOTDIR = 20\nENOTEMPTY = 39\nENOTNAM = 118\nENOTRECOVERABLE = 131\nENOTSOCK = 88\nENOTSUP = 95\nENOTTY = 25\nENOTUNIQ = 76\nENXIO = 6\nEOPNOTSUPP = 95\nEOVERFLOW = 75\nEOWNERDEAD = 130\nEPERM = 1\nEPFNOSUPPORT = 96\nEPIPE = 32\nEPROTO = 71\nEPROTONOSUPPORT = 93\nEPROTOTYPE = 91\nERANGE = 34\nEREMCHG = 78\nEREMOTE = 66\nEREMOTEIO = 121\nERESTART = 85\nERFKILL = 132\nEROFS = 30\nESHUTDOWN = 108\nESOCKTNOSUPPORT = 94\nESPIPE = 29\nESRCH = 3\nESRMNT = 69\nESTALE = 116\nESTRPIPE = 86\nETIME = 62\nETIMEDOUT = 110\nETOOMANYREFS = 109\nETXTBSY = 26\nEUCLEAN = 117\nEUNATCH = 49\nEUSERS = 87\nEWOULDBLOCK = 11\nEXDEV = 18\nEXFULL = 54\nerrorcode = {1: 'EPERM', 2: 'ENOENT', 3: 'ESRCH', 4: 'EINTR', 5: 'EIO'...\n",
            "subsections": []
        },
        "FILE": {
            "content": "(built-in)\n\n",
            "subsections": []
        }
    },
    "summary": "errno - This module makes available standard errno system symbols.",
    "flags": [],
    "examples": [],
    "see_also": [],
    "tldr": {
        "source": "official",
        "description": "Look up errno names and descriptions.",
        "examples": [
            {
                "description": "Lookup errno description by name or code",
                "command": "errno {{name|code}}"
            },
            {
                "description": "List all errno names, codes, and descriptions",
                "command": "errno {{-l|--list}}"
            },
            {
                "description": "Search for code whose description contains all of the given text",
                "command": "errno {{-s|--search}} {{text}}"
            },
            {
                "description": "Search for code whose description contains all of the given text (all locales)",
                "command": "errno {{-S|--search-all-locales}} {{text}}"
            }
        ]
    }
}