ref: fdcb55d6967291e80cd62fc1fbf313fdf74b7592
dir: /sys/include/libc.h/
#pragma lib "libc.a" #pragma src "/sys/src/libc" #define nelem(x) (sizeof(x)/sizeof((x)[0])) #define offsetof(s, m) (ulong)(&(((s*)0)->m)) #define assert(x) if(x){}else _assert("x") /* * mem routines */ extern void* memccpy(void*, void*, int, ulong); extern void* memset(void*, int, ulong); extern int memcmp(void*, void*, ulong); extern void* memcpy(void*, void*, ulong); extern void* memmove(void*, void*, ulong); extern void* memchr(void*, int, ulong); /* * string routines */ extern char* strcat(char*, char*); extern char* strchr(char*, int); extern int strcmp(char*, char*); extern char* strcpy(char*, char*); extern char* strecpy(char*, char*, char*); extern char* strdup(char*); extern char* strncat(char*, char*, long); extern char* strncpy(char*, char*, long); extern int strncmp(char*, char*, long); extern char* strpbrk(char*, char*); extern char* strrchr(char*, int); extern char* strtok(char*, char*); extern long strlen(char*); extern long strspn(char*, char*); extern long strcspn(char*, char*); extern char* strstr(char*, char*); extern int cistrncmp(char*, char*, int); extern int cistrcmp(char*, char*); extern char* cistrstr(char*, char*); extern int tokenize(char*, char**, int); enum { UTFmax = 4, /* maximum bytes per rune */ Runesync = 0x80, /* cannot represent part of a UTF sequence (<) */ Runeself = 0x80, /* rune and UTF sequences are the same (<) */ Runeerror = 0xFFFD, /* decoding error in UTF */ Runemax = 0x10FFFF, /* 21 bit rune */ Runemask = 0x1FFFFF, /* bits used by runes (see grep) */ }; /* * rune routines */ extern int runetochar(char*, Rune*); extern int chartorune(Rune*, char*); extern int runelen(long); extern int runenlen(Rune*, int); extern int fullrune(char*, int); extern int utflen(char*); extern int utfnlen(char*, long); extern char* utfrune(char*, long); extern char* utfrrune(char*, long); extern char* utfutf(char*, char*); extern char* utfecpy(char*, char*, char*); extern Rune* runestrcat(Rune*, Rune*); extern Rune* runestrchr(Rune*, Rune); extern int runestrcmp(Rune*, Rune*); extern Rune* runestrcpy(Rune*, Rune*); extern Rune* runestrncpy(Rune*, Rune*, long); extern Rune* runestrecpy(Rune*, Rune*, Rune*); extern Rune* runestrdup(Rune*); extern Rune* runestrncat(Rune*, Rune*, long); extern int runestrncmp(Rune*, Rune*, long); extern Rune* runestrrchr(Rune*, Rune); extern long runestrlen(Rune*); extern Rune* runestrstr(Rune*, Rune*); extern Rune tolowerrune(Rune); extern Rune totitlerune(Rune); extern Rune toupperrune(Rune); extern int isalpharune(Rune); extern int islowerrune(Rune); extern int isspacerune(Rune); extern int istitlerune(Rune); extern int isupperrune(Rune); extern int isdigitrune(Rune); /* * malloc */ extern void* malloc(ulong); extern void* mallocz(ulong, int); extern void free(void*); extern ulong msize(void*); extern void* mallocalign(ulong, ulong, long, ulong); extern void* calloc(ulong, ulong); extern void* realloc(void*, ulong); extern void setmalloctag(void*, uintptr); extern void setrealloctag(void*, uintptr); extern uintptr getmalloctag(void*); extern uintptr getrealloctag(void*); extern void* malloctopoolblock(void*); /* * print routines */ typedef struct Fmt Fmt; struct Fmt{ uchar runes; /* output buffer is runes or chars? */ void *start; /* of buffer */ void *to; /* current place in the buffer */ void *stop; /* end of the buffer; overwritten if flush fails */ int (*flush)(Fmt *); /* called when to == stop */ void *farg; /* to make flush a closure */ int nfmt; /* num chars formatted so far */ va_list args; /* args passed to dofmt */ int r; /* % format Rune */ int width; int prec; ulong flags; }; enum{ FmtWidth = 1, FmtLeft = FmtWidth << 1, FmtPrec = FmtLeft << 1, FmtSharp = FmtPrec << 1, FmtSpace = FmtSharp << 1, FmtSign = FmtSpace << 1, FmtZero = FmtSign << 1, FmtUnsigned = FmtZero << 1, FmtShort = FmtUnsigned << 1, FmtLong = FmtShort << 1, FmtVLong = FmtLong << 1, FmtComma = FmtVLong << 1, FmtByte = FmtComma << 1, FmtFlag = FmtByte << 1 }; extern int print(char*, ...); extern char* seprint(char*, char*, char*, ...); extern char* vseprint(char*, char*, char*, va_list); extern int snprint(char*, int, char*, ...); extern int vsnprint(char*, int, char*, va_list); extern char* smprint(char*, ...); extern char* vsmprint(char*, va_list); extern int sprint(char*, char*, ...); extern int fprint(int, char*, ...); extern int vfprint(int, char*, va_list); extern int runesprint(Rune*, char*, ...); extern int runesnprint(Rune*, int, char*, ...); extern int runevsnprint(Rune*, int, char*, va_list); extern Rune* runeseprint(Rune*, Rune*, char*, ...); extern Rune* runevseprint(Rune*, Rune*, char*, va_list); extern Rune* runesmprint(char*, ...); extern Rune* runevsmprint(char*, va_list); extern int fmtfdinit(Fmt*, int, char*, int); extern int fmtfdflush(Fmt*); extern int fmtstrinit(Fmt*); extern char* fmtstrflush(Fmt*); extern int runefmtstrinit(Fmt*); extern Rune* runefmtstrflush(Fmt*); #pragma varargck argpos fmtprint 2 #pragma varargck argpos fprint 2 #pragma varargck argpos print 1 #pragma varargck argpos runeseprint 3 #pragma varargck argpos runesmprint 1 #pragma varargck argpos runesnprint 3 #pragma varargck argpos runesprint 2 #pragma varargck argpos seprint 3 #pragma varargck argpos smprint 1 #pragma varargck argpos snprint 3 #pragma varargck argpos sprint 2 #pragma varargck type "lld" vlong #pragma varargck type "llo" vlong #pragma varargck type "llx" vlong #pragma varargck type "llb" vlong #pragma varargck type "lld" uvlong #pragma varargck type "llo" uvlong #pragma varargck type "llx" uvlong #pragma varargck type "llb" uvlong #pragma varargck type "ld" long #pragma varargck type "lo" long #pragma varargck type "lx" long #pragma varargck type "lb" long #pragma varargck type "ld" ulong #pragma varargck type "lo" ulong #pragma varargck type "lx" ulong #pragma varargck type "lb" ulong #pragma varargck type "zd" intptr #pragma varargck type "zo" intptr #pragma varargck type "zx" intptr #pragma varargck type "zb" intptr #pragma varargck type "zd" uintptr #pragma varargck type "zo" uintptr #pragma varargck type "zx" uintptr #pragma varargck type "zb" uintptr #pragma varargck type "d" int #pragma varargck type "o" int #pragma varargck type "x" int #pragma varargck type "c" int #pragma varargck type "C" int #pragma varargck type "b" int #pragma varargck type "d" uint #pragma varargck type "x" uint #pragma varargck type "c" uint #pragma varargck type "C" uint #pragma varargck type "b" uint #pragma varargck type "f" double #pragma varargck type "e" double #pragma varargck type "g" double #pragma varargck type "s" char* #pragma varargck type "q" char* #pragma varargck type "S" Rune* #pragma varargck type "Q" Rune* #pragma varargck type "r" void #pragma varargck type "%" void #pragma varargck type "n" int* #pragma varargck type "p" uintptr #pragma varargck type "p" void* #pragma varargck flag ',' #pragma varargck flag ' ' #pragma varargck flag 'h' #pragma varargck type "<" void* #pragma varargck type "[" void* #pragma varargck type "H" void* #pragma varargck type "lH" void* extern int fmtinstall(int, int (*)(Fmt*)); extern int dofmt(Fmt*, char*); extern int dorfmt(Fmt*, Rune*); extern int fmtprint(Fmt*, char*, ...); extern int fmtvprint(Fmt*, char*, va_list); extern int fmtrune(Fmt*, int); extern int fmtstrcpy(Fmt*, char*); extern int fmtrunestrcpy(Fmt*, Rune*); /* * error string for %r * supplied on per os basis, not part of fmt library */ extern int errfmt(Fmt *f); /* * quoted strings */ extern char *unquotestrdup(char*); extern Rune *unquoterunestrdup(Rune*); extern char *quotestrdup(char*); extern Rune *quoterunestrdup(Rune*); extern int quotestrfmt(Fmt*); extern int quoterunestrfmt(Fmt*); extern void quotefmtinstall(void); extern int (*doquote)(int); extern int needsrcquote(int); /* * random number */ extern void srand(long); extern int rand(void); extern int nrand(int); extern long lrand(void); extern long lnrand(long); extern double frand(void); extern ulong truerand(void); /* uses /dev/random */ extern ulong ntruerand(ulong); /* uses /dev/random */ /* * math */ extern ulong getfcr(void); extern void setfsr(ulong); extern ulong getfsr(void); extern void setfcr(ulong); extern double NaN(void); extern double Inf(int); extern int isNaN(double); extern int isInf(double, int); extern ulong umuldiv(ulong, ulong, ulong); extern long muldiv(long, long, long); extern double pow(double, double); extern double atan2(double, double); extern double fabs(double); extern double atan(double); extern double log(double); extern double log10(double); extern double exp(double); extern double floor(double); extern double ceil(double); extern double hypot(double, double); extern double sin(double); extern double cos(double); extern double tan(double); extern double asin(double); extern double acos(double); extern double sinh(double); extern double cosh(double); extern double tanh(double); extern double sqrt(double); extern double fmod(double, double); #define HUGE 3.4028234e38 #define PIO2 1.570796326794896619231e0 #define PI (PIO2+PIO2) /* * Time-of-day */ typedef struct Tm { int sec; int min; int hour; int mday; int mon; int year; int wday; int yday; char zone[4]; int tzoff; } Tm; extern Tm* gmtime(long); extern Tm* localtime(long); extern char* asctime(Tm*); extern char* ctime(long); extern double cputime(void); extern long times(long*); extern long tm2sec(Tm*); extern vlong nsec(void); extern void cycles(uvlong*); /* 64-bit value of the cycle counter if there is one, 0 if there isn't */ /* * one-of-a-kind */ enum { PNPROC = 1, PNGROUP = 2, }; extern void _assert(char*); extern int abs(int); extern int atexit(void(*)(void)); extern void atexitdont(void(*)(void)); extern int atnotify(int(*)(void*, char*), int); extern double atof(char*); extern int atoi(char*); extern long atol(char*); extern vlong atoll(char*); extern double charstod(int(*)(void*), void*); extern char* cleanname(char*); extern int decrypt(void*, void*, int); extern int encrypt(void*, void*, int); extern int dec64(uchar*, int, char*, int); extern int enc64(char*, int, uchar*, int); extern int dec32(uchar*, int, char*, int); extern int enc32(char*, int, uchar*, int); extern int dec16(uchar*, int, char*, int); extern int enc16(char*, int, uchar*, int); extern int dec64chr(int); extern int enc64chr(int); extern int dec32chr(int); extern int enc32chr(int); extern int dec16chr(int); extern int enc16chr(int); extern int encodefmt(Fmt*); extern void exits(char*); extern double frexp(double, int*); extern uintptr getcallerpc(void*); extern char* getenv(char*); extern int getfields(char*, char**, int, int, char*); extern int gettokens(char *, char **, int, char *); extern char* getuser(void); extern char* getwd(char*, int); extern int iounit(int); extern long labs(long); extern double ldexp(double, int); extern void longjmp(jmp_buf, int); extern char* mktemp(char*); extern double modf(double, double*); extern int netcrypt(void*, void*); extern void notejmp(void*, jmp_buf, int); extern void perror(char*); extern int postnote(int, int, char *); extern double pow10(int); extern int putenv(char*, char*); extern void qsort(void*, long, long, int (*)(void*, void*)); extern int setjmp(jmp_buf); extern double strtod(char*, char**); extern long strtol(char*, char**, int); extern ulong strtoul(char*, char**, int); extern vlong strtoll(char*, char**, int); extern uvlong strtoull(char*, char**, int); extern void sysfatal(char*, ...); #pragma varargck argpos sysfatal 1 extern void syslog(int, char*, char*, ...); #pragma varargck argpos syslog 3 extern long time(long*); extern int tolower(int); extern int toupper(int); /* * profiling */ enum { Profoff, /* No profiling */ Profuser, /* Measure user time only (default) */ Profkernel, /* Measure user + kernel time */ Proftime, /* Measure total time */ Profsample, /* Use clock interrupt to sample (default when there is no cycle counter) */ }; /* what */ extern void prof(void (*fn)(void*), void *arg, int entries, int what); /* * synchronization */ typedef struct Lock { int val; } Lock; extern int _tas(int*); extern void lock(Lock*); extern void unlock(Lock*); extern int canlock(Lock*); typedef struct QLp QLp; struct QLp { int inuse; int state; QLp *next; }; typedef struct QLock { Lock lock; int locked; QLp *head; QLp *tail; } QLock; extern void qlock(QLock*); extern void qunlock(QLock*); extern int canqlock(QLock*); extern void _qlockinit(void* (*)(void*, void*)); /* called only by the thread library */ typedef struct RWLock { Lock lock; int readers; /* number of readers */ int writer; /* number of writers */ QLp *head; /* list of waiting processes */ QLp *tail; } RWLock; extern void rlock(RWLock*); extern void runlock(RWLock*); extern int canrlock(RWLock*); extern void wlock(RWLock*); extern void wunlock(RWLock*); extern int canwlock(RWLock*); typedef struct Rendez { QLock *l; QLp *head; QLp *tail; } Rendez; extern void rsleep(Rendez*); /* unlocks r->l, sleeps, locks r->l again */ extern int rwakeup(Rendez*); extern int rwakeupall(Rendez*); extern void** privalloc(void); extern void procsetname(char*, ...); #pragma varargck argpos procsetname 1 /* * network dialing */ #define NETPATHLEN 40 extern int accept(int, char*); extern int announce(char*, char*); extern int dial(char*, char*, char*, int*); extern void setnetmtpt(char*, int, char*); extern int hangup(int); extern int listen(char*, char*); extern char* netmkaddr(char*, char*, char*); extern int reject(int, char*, char*); /* * encryption */ extern int pushssl(int, char*, char*, char*, int*); extern int pushtls(int, char*, char*, int, char*, char*); /* * network services */ typedef struct NetConnInfo NetConnInfo; struct NetConnInfo { char *dir; /* connection directory */ char *root; /* network root */ char *spec; /* binding spec */ char *lsys; /* local system */ char *lserv; /* local service */ char *rsys; /* remote system */ char *rserv; /* remote service */ char *laddr; /* local address */ char *raddr; /* remote address */ }; extern NetConnInfo* getnetconninfo(char*, int); extern void freenetconninfo(NetConnInfo*); extern int idn2utf(char*, char*, int); extern int utf2idn(char*, char*, int); /* * system calls * */ #define STATMAX 65535U /* max length of machine-independent stat structure */ #define DIRMAX (sizeof(Dir)+STATMAX) /* max length of Dir structure */ #define ERRMAX 128 /* max length of error string */ #define MORDER 0x0003 /* mask for bits defining order of mounting */ #define MREPL 0x0000 /* mount replaces object */ #define MBEFORE 0x0001 /* mount goes before others in union directory */ #define MAFTER 0x0002 /* mount goes after others in union directory */ #define MCREATE 0x0004 /* permit creation in mounted directory */ #define MCACHE 0x0010 /* cache some data */ #define MMASK 0x0017 /* all bits on */ #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 (create only) */ #define AEXIST 0 /* accessible: exists */ #define AEXEC 1 /* execute access */ #define AWRITE 2 /* write access */ #define AREAD 4 /* read access */ /* Segattch */ #define SG_RONLY 0040 /* read only */ #define SG_CEXEC 0100 /* detach on exec */ #define NCONT 0 /* continue after note */ #define NDFLT 1 /* terminate after note */ #define NSAVE 2 /* clear note but hold state */ #define NRSTR 3 /* restore saved state */ /* 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 /* type bit for authentication file */ #define QTTMP 0x04 /* type bit for not-backed-up file */ #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 DMAUTH 0x08000000 /* mode bit for authentication file */ #define DMTMP 0x04000000 /* mode bit for non-backed-up files */ #define DMREAD 0x4 /* mode bit for read permission */ #define DMWRITE 0x2 /* mode bit for write permission */ #define DMEXEC 0x1 /* mode bit for execute permission */ /* rfork */ enum { RFNAMEG = (1<<0), RFENVG = (1<<1), RFFDG = (1<<2), RFNOTEG = (1<<3), RFPROC = (1<<4), RFMEM = (1<<5), RFNOWAIT = (1<<6), RFCNAMEG = (1<<10), RFCENVG = (1<<11), RFCFDG = (1<<12), RFREND = (1<<13), RFNOMNT = (1<<14) }; typedef struct Qid { uvlong 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 */ char *name; /* last element of path */ char *uid; /* owner name */ char *gid; /* group name */ char *muid; /* last modifier name */ } Dir; /* keep /sys/src/ape/lib/ap/plan9/sys9.h in sync with this -rsc */ typedef struct Waitmsg { int pid; /* of loved one */ ulong time[3]; /* of loved one & descendants */ char *msg; } Waitmsg; typedef struct IOchunk { void *addr; ulong len; } IOchunk; extern void _exits(char*); extern void abort(void); extern int access(char*, int); extern long alarm(ulong); extern int await(char*, int); extern int bind(char*, char*, int); extern int brk(void*); extern int chdir(char*); extern int close(int); extern int create(char*, int, ulong); extern int dup(int, int); extern int errstr(char*, uint); extern int exec(char*, char*[]); extern int execl(char*, ...); extern int fork(void); extern int rfork(int); extern int fauth(int, char*); extern int fstat(int, uchar*, int); extern int fwstat(int, uchar*, int); extern int fversion(int, int, char*, int); extern int mount(int, int, char*, int, char*); extern int unmount(char*, char*); extern int noted(int); extern int notify(void(*)(void*, char*)); extern int open(char*, int); extern int fd2path(int, char*, int); extern int pipe(int*); extern long pread(int, void*, long, vlong); extern long preadv(int, IOchunk*, int, vlong); extern long pwrite(int, void*, long, vlong); extern long pwritev(int, IOchunk*, int, vlong); extern long read(int, void*, long); extern long readn(int, void*, long); extern long readv(int, IOchunk*, int); extern int remove(char*); extern void* sbrk(ulong); extern long oseek(int, long, int); extern vlong seek(int, vlong, int); extern void* segattach(int, char*, void*, ulong); extern void* segbrk(void*, void*); extern int segdetach(void*); extern int segflush(void*, ulong); extern int segfree(void*, ulong); extern int semacquire(long*, int); extern long semrelease(long*, long); extern int sleep(long); extern int stat(char*, uchar*, int); extern int tsemacquire(long*, ulong); extern Waitmsg* wait(void); extern int waitpid(void); extern long write(int, void*, long); extern long writev(int, IOchunk*, int); extern int wstat(char*, uchar*, int); extern void* rendezvous(void*, void*); extern Dir* dirstat(char*); extern Dir* dirfstat(int); extern int dirwstat(char*, Dir*); extern int dirfwstat(int, Dir*); extern long dirread(int, Dir**); extern void nulldir(Dir*); extern long dirreadall(int, Dir**); extern int getpid(void); extern int getppid(void); extern void rerrstr(char*, uint); extern char* sysname(void); extern void werrstr(char*, ...); #pragma varargck argpos werrstr 1 extern long ainc(long*); extern long adec(long*); extern char *argv0; #define ARGBEGIN for((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,_argc,_args);}USED(argv, 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 /* this is used by sbrk and brk, it's a really bad idea to redefine it */ extern char end[];