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 int sync(void);
  28 
  29 // ulib.c
  30 int stat(const char *, struct stat *);
  31 char *strcpy(char *, const char *);
  32 void *memmove(void *, const void *, int);
  33 char *strchr(const char *, char c);
  34 int strcmp(const char *, const char *);
  35 char *gets(char *, int max);
  36 uint strlen(const char *);
  37 void *memset(void *, int, uint);
  38 int atoi(const char *);
  39 int memcmp(const void *, const void *, uint);
  40 void *memcpy(void *, const void *, uint);
  41 char *sbrk(int);
  42 char *sbrklazy(int);
  43 
  44 // printf.c
  45 void fprintf(int, const char *, ...) __attribute__((format(printf, 2, 3)));
  46 void printf(const char *, ...) __attribute__((format(printf, 1, 2)));
  47 
  48 // umalloc.c
  49 void *malloc(uint);
  50 void free(void *);