【Linux 】errno 错误码对照表和宏|error， test ok

错误码对应宏

EPERM		    1    /＊ Operation not permitted＊/
ENOENT		    2    /＊ No such file or directory＊/
ESRCH		    3    /＊ No such process＊/
EINTR		    4    /＊ Interrupted system call＊/
EIO			    5    /＊ I/O error＊/
ENXIO		    6    /＊ No such device or address＊/
E2BIG 		    7    /＊ Argument list too long＊/
ENOEXEC		    8    /＊ Exec format error＊/
EBADF		    9    /＊ Bad file number＊/
ECHILD 		    10   /＊ No child processes＊/
EAGAIN 	        11   /＊ Try again＊/
ENOMEM		    12   /＊ Out of memory＊/
EACCES		    13   /＊ Permission denied＊/
EFAULT          14   /＊ Bad address＊/
ENOTBLK         15   /＊ Block device required＊/
EBUSY           16   /＊ Device or resource busy＊/
EEXIST          17   /＊ File exists＊/
EXDEV           18   /＊ Cross-device link＊/
ENODEV          19   /＊ No such device＊/
ENOTDIR         20   /＊ Not a directory＊/
EISDIR          21   /＊ Is a directory＊/
EINVAL          22   /＊ Invalid argument＊/
ENFILE          23   /＊ File table overflow＊/
EMFILE          24   /＊ Too many open files＊/
ENOTTY          25   /＊ Not a typewriter＊/
ETXTBSY         26   /＊ Text file busy＊/
EFBIG           27   /＊ File too large＊/
ENOSPC          28   /＊ No space left on device＊/
ESPIPE          29   /＊ Illegal seek＊/
EROFS           30   /＊ Read-only file system＊/
EMLINK          31   /＊ Too many links＊/
EPIPE           32   /＊ Broken pipe＊/
EDOM            33   /＊ Math argument out of domainof func ＊/
ERANGE          34   /＊ Math result notrepresentable ＊/
EDEADLK         35   /＊ Resource deadlock wouldoccur ＊/
ENAMETOOLONG    36   /＊ File name too long ＊/
ENOLCK          37   /＊ No record locks available＊/
ENOSYS          38   /＊ Function not implemented＊/
ENOTEMPTY       39   /＊Directory not empty ＊/
ELOOP           40   /＊ Too many symbolic linksencountered ＊/
EWOULDBLOCK   EAGAIN /＊Operation would block ＊/
ENOMSG          42   /＊ No message of desired type＊/
EIDRM           43   /＊ Identifier removed＊/
ECHRNG          44   /＊ Channel number out of range＊/
EL2NSYNC        45   /＊ Level2 not synchronized ＊/
EL3HLT          46   /＊ Level 3 halted＊/
EL3RST          47   /＊ Level 3 reset＊/
ELNRNG          48   /＊ Link number out of range＊/
EUNATCH         49   /＊ Protocol driver notattached ＊/
ENOCSI          50   /＊ No CSI structure available＊/
EL2HLT          51   /＊ Level 2 halted＊/
EBADE           52   /＊ Invalid exchange＊/
EBADR           53   /＊ Invalid request descriptor＊/
EXFULL          54   /＊ Exchange full＊/
ENOANO          55   /＊ No anode＊/
EBADRQC         56   /＊ Invalid request code＊/
EBADSLT         57   /＊ Invalid slot＊/
EDEADLOCK       EDEADLK
EBFONT          59   /＊ Bad font file format＊/
ENOSTR          60   /＊ Device not a stream＊/
ENODATA         61   /＊ No data available＊/
ETIME           62   /＊ Timer expired＊/
ENOSR           63   /＊ Out of streams resources＊/
ENONET          64   /＊ Machine is not on thenetwork ＊/
ENOPKG          65   /＊ Package not installed＊/
EREMOTE         6