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- /* magic to get SUSV2 standard, including pread, pwrite*/
- #define _XOPEN_SOURCE 500
- /* magic to get 64-bit pread/pwrite */
- #define _LARGEFILE64_SOURCE
- /* magic to get 64-bit stat on Linux, maybe others */
- #define _FILE_OFFSET_BITS 64
- #ifdef sgi
- #define _BSD_TYPES 1 /* for struct timeval */
- #include <sys/select.h>
- #define _BSD_SOURCE 1 /* for ruserok */
- /*
- * SGI IRIX 5.x doesn't allow inclusion of both inttypes.h and
- * sys/types.h. These definitions are the ones we need from
- * inttypes.h that aren't in sys/types.h.
- *
- * Unlike most of our #ifdef's, IRIX5X must be set in the makefile.
- */
- #ifdef IRIX5X
- #define __inttypes_INCLUDED
- typedef unsigned int uint32_t;
- typedef signed long long int int64_t;
- typedef unsigned long long int uint64_t;
- #endif /* IRIX5X */
- #endif /* sgi */
- #ifdef sun /* sparc and __svr4__ are also defined on the offending machine */
- #define __EXTENSIONS__ 1 /* for struct timeval */
- #endif
- #include <inttypes.h> /* for int64_t et al. */
- #include <stdlib.h>
- #include <stdarg.h> /* for va_list, vararg macros */
- #ifndef va_copy
- #ifdef __va_copy
- #define va_copy __va_copy
- #else
- #define va_copy(d, s) memmove(&(d), &(s), sizeof(va_list))
- #endif /* __va_copy */
- #endif /* va_copy */
- #include <sys/types.h>
- #include <string.h> /* for memmove */
- #include <unistd.h> /* for write */
- #include <fcntl.h>
- #define ulong p9ulong /* because sys/types.h has some of these sometimes */
- #define ushort p9ushort
- #define uchar p9uchar
- #define uint p9uint
- #define vlong p9vlong
- #define uvlong p9uvlong
- #define u32int p9u32int
- typedef unsigned char uchar;
- typedef unsigned short ushort;
- typedef unsigned long ulong;
- typedef unsigned int uint;
- typedef int64_t vlong;
- typedef uint64_t uvlong;
- typedef uint32_t u32int;
- typedef uint64_t u64int;
- typedef ushort Rune;
- #define nil ((void*)0)
- #define nelem(x) (sizeof(x)/sizeof((x)[0]))
- #ifndef offsetof
- #define offsetof(s, m) (ulong)(&(((s*)0)->m))
- #endif
- #define assert(x) if(x);else _assert("x")
- extern char *argv0;
- #define ARGBEGIN for((void)(argv0||(argv0=*argv)),argv++,argc--;\
- argv[0] && argv[0][0]=='-' && argv[0][1];\
- argc--, argv++) {\
- char *_args, *_argt;\
- Rune _argc;\
- _args = &argv[0][1];\
- if(_args[0]=='-' && _args[1]==0){\
- argc--; argv++; break;\
- }\
- _argc = 0;\
- while(*_args && (_args += chartorune(&_argc, _args)))\
- switch(_argc)
- #define ARGEND SET(_argt);USED(_argt);USED(_argc);USED(_args);}\
- USED(argv);USED(argc);
- #define ARGF() (_argt=_args, _args="",\
- (*_argt? _argt: argv[1]? (argc--, *++argv): 0))
- #define EARGF(x) (_argt=_args, _args="",\
- (*_argt? _argt: argv[1]? (argc--, *++argv): ((x), abort(), (char*)0)))
- #define ARGC() _argc
- #define SET(x) (x) = 0
- #define USED(x) (void)(x)
- enum
- {
- UTFmax = 3, /* maximum bytes per rune */
- Runesync = 0x80, /* cannot represent part of a UTF sequence (<) */
- Runeself = 0x80, /* rune and UTF sequences are the same (<) */
- Runeerror = 0x80 /* decoding error in UTF */
- };
- extern int runetochar(char*, Rune*);
- extern int chartorune(Rune*, char*);
- extern int runelen(long);
- extern int utflen(char*);
- extern char* strecpy(char*, char*, char*);
- extern int tokenize(char*, char**, int);
- extern int getfields(char*, char**, int, int, char*);
- /*
- * print routines
- */
- typedef struct Fconv Fconv;
- struct Fconv
- {
- char* out; /* pointer to next output */
- char* eout; /* pointer to end */
- int f1;
- int f2;
- int f3;
- int chr;
- };
- extern char* doprint(char*, char*, char*, va_list *argp);
- extern int print(char*, ...);
- extern char* seprint(char*, char*, char*, ...);
- extern int snprint(char*, int, char*, ...);
- extern int sprint(char*, char*, ...);
- extern int fprint(int, char*, ...);
- extern int fmtinstall(int, int (*)(va_list*, Fconv*));
- extern int numbconv(va_list*, Fconv*);
- extern void strconv(char*, Fconv*);
- extern int fltconv(va_list*, Fconv*);
- #define OREAD 0 /* open for read */
- #define OWRITE 1 /* write */
- #define ORDWR 2 /* read and write */
- #define OEXEC 3 /* execute, == read but check execute permission */
- #define OTRUNC 16 /* or'ed in (except for exec), truncate file first */
- #define OCEXEC 32 /* or'ed in, close on exec */
- #define ORCLOSE 64 /* or'ed in, remove on close */
- #define OEXCL 0x1000 /* or'ed in, exclusive use */
- /* bits in Qid.type */
- #define QTDIR 0x80 /* type bit for directories */
- #define QTAPPEND 0x40 /* type bit for append only files */
- #define QTEXCL 0x20 /* type bit for exclusive use files */
- #define QTMOUNT 0x10 /* type bit for mounted channel */
- #define QTAUTH 0x08
- #define QTFILE 0x00 /* plain file */
- /* bits in Dir.mode */
- #define DMDIR 0x80000000 /* mode bit for directories */
- #define DMAPPEND 0x40000000 /* mode bit for append only files */
- #define DMEXCL 0x20000000 /* mode bit for exclusive use files */
- #define DMMOUNT 0x10000000 /* mode bit for mounted channel */
- #define DMREAD 0x4 /* mode bit for read permission */
- #define DMWRITE 0x2 /* mode bit for write permission */
- #define DMEXEC 0x1 /* mode bit for execute permission */
- typedef
- struct Qid
- {
- vlong path;
- ulong vers;
- uchar type;
- } Qid;
- typedef
- struct Dir {
- /* system-modified data */
- ushort type; /* server type */
- uint dev; /* server subtype */
- /* file data */
- Qid qid; /* unique id from server */
- ulong mode; /* permissions */
- ulong atime; /* last read time */
- ulong mtime; /* last write time */
- vlong length; /* file length: see <u.h> */
- char *name; /* last element of path */
- char *uid; /* owner name */
- char *gid; /* group name */
- char *muid; /* last modifier name */
- } Dir;
- long readn(int, void*, long);
- void remotehost(char*, int);
- enum {
- NAMELEN = 28,
- ERRLEN = 64
- };
- /* DES */
- #define DESKEYLEN 7
- void key_setup(char key[DESKEYLEN], char expandedkey[128]);
- void block_cipher(char expandedkey[128], char buf[8], int decrypting);
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