/* * functions (possibly) linked in, complete, from libc. */ /* * mem routines */ extern void* memccpy(void*, void*, int, long); extern void* memset(void*, int, long); extern int memcmp(void*, void*, long); extern void* memmove(void*, void*, long); extern void* memchr(void*, int, long); /* * string routines */ extern char* strcat(char*, char*); extern char* strchr(char*, char); extern int strcmp(char*, char*); extern char* strcpy(char*, char*); extern char* strncat(char*, char*, long); extern char* strncpy(char*, char*, long); extern int strncmp(char*, char*, long); extern long strlen(char*); extern char* strrchr(char*, char); extern char* strstr(char*, char*); /* * print routines * Fconv isn't used but is defined to satisfy prototypes in libg.h * that are never called. */ typedef struct Fconv Fconv; extern char* donprint(char*, char*, char*, void*); extern int sprint(char*, char*, ...); extern int print(char*, ...); #define PRINTSIZE 256 /* * one-of-a-kind */ extern int atoi(char*); extern long strtol(char*, char**, int); extern ulong strtoul(char*, char**, int); extern char end[]; extern char edata[]; /* * Syscall data structures */ #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 MMASK 0x0007 /* 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 NCONT 0 /* continue after note */ #define NDFLT 1 /* terminate after note */ typedef struct Qid Qid; typedef struct Dir Dir; typedef struct Waitmsg Waitmsg; #define ERRLEN 64 #define DIRLEN 116 #define NAMELEN 28 struct Qid { ulong path; ulong vers; }; struct Dir { char name[NAMELEN]; char uid[NAMELEN]; char gid[NAMELEN]; Qid qid; ulong mode; long atime; long mtime; ulong length; short type; short dev; }; struct Waitmsg { int pid; /* of loved one */ int status; /* unused; a placeholder */ ulong time[3]; /* of loved one */ char msg[ERRLEN]; }; #define nelem(x) (sizeof(x)/sizeof((x)[0]))