root/user/user.h

INCLUDED FROM

   1 #define SBRK_ERROR ((char *)-1)
   2 
   3 struct stat;
   4 
   5 // system calls
   6 int fork(void);
   7 int exit(int) __attribute__((noreturn));
   8 int wait(int*);
   9 int pipe(int*);
  10 int write(int, const void*, int);
  11 int read(int, void*, int);
  12 int close(int);
  13 int kill(int);
  14 int exec(const char*, char**);
  15 int open(const char*, int);
  16 int mknod(const char*, short, short);
  17 int unlink(const char*);
  18 int fstat(int fd, struct stat*);
  19 int link(const char*, const char*);
  20 int mkdir(const char*);
  21 int chdir(const char*);
  22 int dup(int);
  23 int getpid(void);
  24 char* sys_sbrk(int,int);
  25 int pause(int);
  26 int uptime(void);
  27 
  28 // ulib.c
  29 int stat(const char*, struct stat*);
  30 char* strcpy(char*, const char*);
  31 void *memmove(void*, const void*, int);
  32 char* strchr(const char*, char c);
  33 int strcmp(const char*, const char*);
  34 char* gets(char*, int max);
  35 uint strlen(const char*);
  36 void* memset(void*, int, uint);
  37 int atoi(const char*);
  38 int memcmp(const void *, const void *, uint);
  39 void *memcpy(void *, const void *, uint);
  40 char* sbrk(int);
  41 char* sbrklazy(int);
  42 
  43 // printf.c
  44 void fprintf(int, const char*, ...) __attribute__ ((format (printf, 2, 3)));
  45 void printf(const char*, ...) __attribute__ ((format (printf, 1, 2)));
  46 
  47 // umalloc.c
  48 void* malloc(uint);
  49 void free(void*);