2 * functions (possibly) linked in, complete, from libc.
4 #define nelem(x) (sizeof(x)/sizeof((x)[0]))
5 #define offsetof(s, m) (ulong)(&(((s*)0)->m))
6 #define assert(x) if(x){}else _assert("x")
11 extern void* memccpy(void*, void*, int, ulong);
12 extern void* memset(void*, int, ulong);
13 extern int memcmp(void*, void*, ulong);
14 extern void* memmove(void*, void*, ulong);
15 extern void* memchr(void*, int, ulong);
20 extern char* strcat(char*, char*);
21 extern char* strchr(char*, int);
22 extern char* strrchr(char*, int);
23 extern int strcmp(char*, char*);
24 extern char* strcpy(char*, char*);
25 extern char* strecpy(char*, char*, char*);
26 extern char* strncat(char*, char*, long);
27 extern char* strncpy(char*, char*, long);
28 extern int strncmp(char*, char*, long);
29 extern long strlen(char*);
30 extern char* strstr(char*, char*);
31 extern int atoi(char*);
32 extern int fullrune(char*, int);
33 extern int cistrcmp(char*, char*);
34 extern int cistrncmp(char*, char*, int);
38 UTFmax = 4, /* maximum bytes per rune */
39 Runesync = 0x80, /* cannot represent part of a UTF sequence */
40 Runeself = 0x80, /* rune and UTF sequences are the same (<) */
41 Runeerror = 0xFFFD, /* decoding error in UTF */
42 Runemax = 0x10FFFF, /* 21 bit rune */
48 extern int runetochar(char*, Rune*);
49 extern int chartorune(Rune*, char*);
50 extern char* utfecpy(char *s1, char *es1, char *s2);
51 extern char* utfrune(char*, long);
52 extern int utflen(char*);
53 extern int utfnlen(char*, long);
54 extern int runelen(long);
59 extern int rand(void);
60 extern int nrand(int);
61 extern long lrand(void);
62 extern long lnrand(long);
69 typedef struct Fmt Fmt;
70 typedef int (*Fmts)(Fmt*);
72 uchar runes; /* output buffer is runes or chars? */
73 void *start; /* of buffer */
74 void *to; /* current place in the buffer */
75 void *stop; /* end of the buffer; overwritten if flush fails */
76 int (*flush)(Fmt *); /* called when to == stop */
77 void *farg; /* to make flush a closure */
78 int nfmt; /* num chars formatted so far */
79 va_list args; /* args passed to dofmt */
80 int r; /* % format Rune */
85 extern int print(char*, ...);
86 extern char* seprint(char*, char*, char*, ...);
87 extern char* vseprint(char*, char*, char*, va_list);
88 extern int snprint(char*, int, char*, ...);
89 extern int vsnprint(char*, int, char*, va_list);
90 extern int sprint(char*, char*, ...);
92 #pragma varargck argpos fmtprint 2
93 #pragma varargck argpos print 1
94 #pragma varargck argpos seprint 3
95 #pragma varargck argpos snprint 3
96 #pragma varargck argpos sprint 2
98 #pragma varargck type "llb" vlong
99 #pragma varargck type "lld" vlong
100 #pragma varargck type "llx" vlong
101 #pragma varargck type "llb" uvlong
102 #pragma varargck type "lld" uvlong
103 #pragma varargck type "llx" uvlong
104 #pragma varargck type "lb" long
105 #pragma varargck type "ld" long
106 #pragma varargck type "lx" long
107 #pragma varargck type "lb" ulong
108 #pragma varargck type "ld" ulong
109 #pragma varargck type "lx" ulong
110 #pragma varargck type "zd" intptr
111 #pragma varargck type "zo" intptr
112 #pragma varargck type "zx" intptr
113 #pragma varargck type "zb" intptr
114 #pragma varargck type "zd" uintptr
115 #pragma varargck type "zo" uintptr
116 #pragma varargck type "zx" uintptr
117 #pragma varargck type "zb" uintptr
118 #pragma varargck type "b" int
119 #pragma varargck type "d" int
120 #pragma varargck type "x" int
121 #pragma varargck type "c" int
122 #pragma varargck type "C" int
123 #pragma varargck type "b" uint
124 #pragma varargck type "d" uint
125 #pragma varargck type "x" uint
126 #pragma varargck type "c" uint
127 #pragma varargck type "C" uint
128 #pragma varargck type "s" char*
129 #pragma varargck type "q" char*
130 #pragma varargck type "S" Rune*
131 #pragma varargck type "%" void
132 #pragma varargck type "p" uintptr
133 #pragma varargck type "p" void*
134 #pragma varargck flag ','
136 extern int fmtstrinit(Fmt*);
137 extern int fmtinstall(int, int (*)(Fmt*));
138 extern void quotefmtinstall(void);
139 extern int fmtprint(Fmt*, char*, ...);
140 extern int fmtstrcpy(Fmt*, char*);
141 extern char* fmtstrflush(Fmt*);
146 extern char* cleanname(char*);
147 extern uintptr getcallerpc(void*);
149 extern long strtol(char*, char**, int);
150 extern ulong strtoul(char*, char**, int);
151 extern vlong strtoll(char*, char**, int);
152 extern uvlong strtoull(char*, char**, int);
156 extern int getfields(char*, char**, int, int, char*);
157 extern int tokenize(char*, char**, int);
158 extern int dec64(uchar*, int, char*, int);
159 extern int dec16(uchar*, int, char*, int);
160 extern int encodefmt(Fmt*);
161 extern void qsort(void*, long, long, int (*)(void*, void*));
164 * Syscall data structures
166 #define MORDER 0x0003 /* mask for bits defining order of mounting */
167 #define MREPL 0x0000 /* mount replaces object */
168 #define MBEFORE 0x0001 /* mount goes before others in union directory */
169 #define MAFTER 0x0002 /* mount goes after others in union directory */
170 #define MCREATE 0x0004 /* permit creation in mounted directory */
171 #define MCACHE 0x0010 /* cache some data */
172 #define MMASK 0x0017 /* all bits on */
174 #define OREAD 0 /* open for read */
175 #define OWRITE 1 /* write */
176 #define ORDWR 2 /* read and write */
177 #define OEXEC 3 /* execute, == read but check execute permission */
178 #define OTRUNC 16 /* or'ed in (except for exec), truncate file first */
179 #define OCEXEC 32 /* or'ed in (per file descriptor), close on exec */
180 #define ORCLOSE 64 /* or'ed in, remove on close */
181 #define OEXCL 0x1000 /* or'ed in, exclusive create */
183 #define NCONT 0 /* continue after note */
184 #define NDFLT 1 /* terminate after note */
185 #define NSAVE 2 /* clear note but hold state */
186 #define NRSTR 3 /* restore saved state */
188 typedef struct Qid Qid;
189 typedef struct Dir Dir;
190 typedef struct OWaitmsg OWaitmsg;
191 typedef struct Waitmsg Waitmsg;
193 #define ERRMAX 128 /* max length of error string */
194 #define KNAMELEN 28 /* max length of name held in kernel */
196 /* bits in Qid.type */
197 #define QTDIR 0x80 /* type bit for directories */
198 #define QTAPPEND 0x40 /* type bit for append only files */
199 #define QTEXCL 0x20 /* type bit for exclusive use files */
200 #define QTMOUNT 0x10 /* type bit for mounted channel */
201 #define QTAUTH 0x08 /* type bit for authentication file */
202 #define QTFILE 0x00 /* plain file */
204 /* bits in Dir.mode */
205 #define DMDIR 0x80000000 /* mode bit for directories */
206 #define DMAPPEND 0x40000000 /* mode bit for append only files */
207 #define DMEXCL 0x20000000 /* mode bit for exclusive use files */
208 #define DMMOUNT 0x10000000 /* mode bit for mounted channel */
209 #define DMREAD 0x4 /* mode bit for read permission */
210 #define DMWRITE 0x2 /* mode bit for write permission */
211 #define DMEXEC 0x1 /* mode bit for execute permission */
221 /* system-modified data */
222 ushort type; /* server type */
223 uint dev; /* server subtype */
225 Qid qid; /* unique id from server */
226 ulong mode; /* permissions */
227 ulong atime; /* last read time */
228 ulong mtime; /* last write time */
229 vlong length; /* file length: see <u.h> */
230 char *name; /* last element of path */
231 char *uid; /* owner name */
232 char *gid; /* group name */
233 char *muid; /* last modifier name */
238 char pid[12]; /* of loved one */
239 char time[3*12]; /* of loved one and descendants */
240 char msg[64]; /* compatibility BUG */
245 int pid; /* of loved one */
246 ulong time[3]; /* of loved one and descendants */
247 char msg[ERRMAX]; /* actually variable-size in user mode */