linux_ERROR

给你看看linux下的error.h/* errno is not a global variable, because that would make using it   non-reentrant.  Instead, its address is returned by the function   __errno.  */#ifndef _SYS_ERRNO_H_#ifdef __cplusplusextern "C" {#endif#define _SYS_ERRNO_H_#include <sys/reent.h>#ifndef _REENT_ONLY#define errno (*__errno())extern int *__errno _PARAMS ((void));#endif/* Please don't use these variables directly.   Use strerror instead. */extern __IMPORT _CONST char * _CONST _sys_errlist[];extern __IMPORT int _sys_nerr;#ifdef __CYGWIN__extern __IMPORT const char * const sys_errlist[];extern __IMPORT int sys_nerr;#endif#define __errno_r(ptr) ((ptr)->_errno)#define EPERM 1  /* Not super-user */#define ENOENT 2 /* No such file or directory */#define ESRCH 3  /* No such process */#define EINTR 4  /* Interrupted system call */#define EIO 5  /* I/O error */#define ENXIO 6  /* No such device or address */#define E2BIG 7  /* Arg list too long */#define ENOEXEC 8 /* Exec format error */#define EBADF 9  /* Bad file number */#define ECHILD 10 /* No children */#define EAGAIN 11 /* No more processes */#define ENOMEM 12 /* Not enough core */#define EACCES 13 /* Permission denied */#define EFAULT 14 /* Bad address */#define ENOTBLK 15 /* Block device required */#define EBUSY 16 /* Mount device busy */#define EEXIST 17 /* File exists */#define EXDEV 18 /* Cross-device link */#define ENODEV 19 /* No such device */#define ENOTDIR 20 /* Not a directory */#define EISDIR 21 /* Is a directory */#define EINVAL 22 /* Invalid argument */#define ENFILE 23 /* Too many open files in system */#define EMFILE 24 /* Too many open files */#define ENOTTY 25 /* Not a typewriter */#define ETXTBSY 26 /* Text file busy */#define EFBIG 27 /* File too large */#define ENOSPC 28 /* No space left on device */#define ESPIPE 29 /* Illegal seek */#define EROFS 30 /* Read only file system */#define EMLINK 31 /* Too many links */#define EPIPE 32 /* Broken pipe */#define EDOM 33  /* Math arg out of domain of func */#define ERANGE 34 /* Math result not representable */#define ENOMSG 35 /* No message of desired type */#define EIDRM 36 /* Identifier removed */#define ECHRNG 37 /* Channel number out of range */#define EL2NSYNC 38 /* Level 2 not synchronized */#define EL3HLT 39 /* Level 3 halted */#define EL3RST 40 /* Level 3 reset */#define ELNRNG 41 /* Link number out of range */#define EUNATCH 42 /* Protocol driver not attached */#define ENOCSI 43 /* No CSI structure available */#define EL2HLT 44 /* Level 2 halted */#define EDEADLK 45 /* Deadlock condition */#define ENOLCK 46 /* No record locks available */#define EBADE 50 /* Invalid exchange */#define EBADR 51 /* Invalid request descriptor */#define EXFULL 52 /* Exchange full */#define ENOANO 53 /* No anode */#define EBADRQC 54 /* Invalid request code */#define EBADSLT 55 /* Invalid slot */#define EDEADLOCK 56 /* File locking deadlock error */#define EBFONT 57 /* Bad font file fmt */#define ENOSTR 60 /* Device not a stream */#define ENODATA 61 /* No data (for no delay io) */#define ETIME 62 /* Timer expired */#define ENOSR 63 /* Out of streams resources */#define ENONET 64 /* Machine is not on the network */#define ENOPKG 65 /* Package not installed */#define EREMOTE 66 /* The object is remote */#define ENOLINK 67 /* The link has been severed */#define EADV 68  /* Advertise error */#define ESRMNT 69 /* Srmount error */#define ECOMM 70 /* Communication error on send */#define EPROTO 71 /* Protocol error */#define EMULTIHOP 74 /* Multihop attempted */#define ELBIN 75 /* Inode is remote (not really error) */#define EDOTDOT 76 /* Cross mount point (not really error) */#define EBADMSG 77 /* Trying to read unreadable message */#define EFTYPE 79 /* Inappropriate file type or format */#define ENOTUNIQ 80 /* Given log. name not unique */#define EBADFD 81 /* f.d. invalid for this operation */#define EREMCHG 82 /* Remote address changed */#define ELIBACC 83 /* Can't access a needed shared lib */#define ELIBBAD 84 /* Accessing a corrupted shared lib */#define ELIBSCN 85 /* .lib section in a.out corrupted */#define ELIBMAX 86 /* Attempting to link in too many libs */#define ELIBEXEC 87 /* Attempting to exec a shared library */#define ENOSYS 88 /* Function not implemented */#define ENMFILE 89      /* No more files */#define ENOTEMPTY 90 /* Directory not empty */#define ENAMETOOLONG 91 /* File or path name too long */#define ELOOP 92 /* Too many symbolic links */#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */#define EPFNOSUPPORT 96 /* Protocol family not supported */#define ECONNRESET 104  /* Connection reset by peer */#define ENOBUFS 105 /* No buffer space available */#define EAFNOSUPPORT 106 /* Address family not supported by protocol family */#define EPROTOTYPE 107 /* Protocol wrong type for socket */#define ENOTSOCK 108 /* Socket operation on non-socket */#define ENOPROTOOPT 109 /* Protocol not available */#define ESHUTDOWN 110 /* Can't send after socket shutdown */#define ECONNREFUSED 111 /* Connection refused */#define EADDRINUSE 112  /* Address already in use */#define ECONNABORTED 113 /* Connection aborted */#define ENETUNREACH 114  /* Network is unreachable */#define ENETDOWN 115  /* Network interface is not configured */#define ETIMEDOUT 116  /* Connection timed out */#define EHOSTDOWN 117  /* Host is down */#define EHOSTUNREACH 118 /* Host is unreachable */#define EINPROGRESS 119  /* Connection already in progress */#define EALREADY 120  /* Socket already connected */#define EDESTADDRREQ 121 /* Destination address required */#define EMSGSIZE 122  /* Message too long */#define EPROTONOSUPPORT 123 /* Unknown protocol */#define ESOCKTNOSUPPORT 124 /* Socket type not supported */#define EADDRNOTAVAIL 125 /* Address not available */#define ENETRESET 126#define EISCONN 127  /* Socket is already connected */#define ENOTCONN 128  /* Socket is not connected */#define ETOOMANYREFS 129#define EPROCLIM 130#define EUSERS 131#define EDQUOT 132#define ESTALE 133#define ENOTSUP 134  /* Not supported */#define ENOMEDIUM 135   /* No medium (in tape drive) */#define ENOSHARE 136    /* No such host or network path */#define ECASECLASH 137  /* Filename exists with different case */#define EILSEQ 138#define EOVERFLOW 139 /* Value too large for defined data type *//* From cygwin32.  */#define EWOULDBLOCK EAGAIN /* Operation would block */#define __ELASTERROR 2000 /* Users can add values starting here */#ifdef __cplusplus}#endif#endif /* _SYS_ERRNO_H */