linux内核返回错误参数

一直都想找一份linux内核返回错误参数的文档，但是太笨了，都没想起来去内核代码中看看，丢人啊！

#ifndef _ASM_GENERIC_ERRNO_BASE_H#define _ASM_GENERIC_ERRNO_BASE_H#defineEPERM 1/* Operation not permitted */#defineENOENT 2/* No such file or directory */#defineESRCH 3/* No such process */#defineEINTR 4/* Interrupted system call */#defineEIO 5/* I/O error */#defineENXIO 6/* No such device or address */#defineE2BIG 7/* Argument list too long */#defineENOEXEC 8/* Exec format error */#defineEBADF 9/* Bad file number */#defineECHILD10/* No child processes */#defineEAGAIN11/* Try again */#defineENOMEM12/* Out of memory */#defineEACCES13/* Permission denied */#defineEFAULT14/* Bad address */#defineENOTBLK15/* Block device required */#defineEBUSY16/* Device or resource busy */#defineEEXIST17/* File exists */#defineEXDEV18/* Cross-device link */#defineENODEV19/* No such device */#defineENOTDIR20/* Not a directory */#defineEISDIR21/* Is a directory */#defineEINVAL22/* Invalid argument */#defineENFILE23/* File table overflow */#defineEMFILE24/* Too many open files */#defineENOTTY25/* Not a typewriter */#defineETXTBSY26/* Text file busy */#defineEFBIG27/* File too large */#defineENOSPC28/* No space left on device */#defineESPIPE29/* Illegal seek */#defineEROFS30/* Read-only file system */#defineEMLINK31/* Too many links */#defineEPIPE32/* Broken pipe */#defineEDOM33/* Math argument out of domain of func */#defineERANGE34/* Math result not representable */#endif