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1 struct stat;
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2
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3 // system calls
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4 int fork(void);
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5 int exit(void) __attribute__((noreturn));
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6 int wait(void);
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7 int pipe(int*);
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8 int write(int, void*, int);
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9 int read(int, void*, int);
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10 int close(int);
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11 int kill(int);
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12 int exec(char*, char**);
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13 int open(char*, int);
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14 int mknod(char*, short, short);
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15 int unlink(char*);
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16 int fstat(int fd, struct stat*);
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17 int link(char*, char*);
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18 int mkdir(char*);
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19 int chdir(char*);
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20 int dup(int);
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21 int getpid(void);
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22 char* sbrk(int);
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23 int sleep(int);
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24 int uptime(void);
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25
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26 // ulib.c
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27 int stat(char*, struct stat*);
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28 char* strcpy(char*, char*);
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29 void *memmove(void*, void*, int);
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30 char* strchr(const char*, char c);
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31 int strcmp(const char*, const char*);
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32 void printf(int, char*, ...);
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33 char* gets(char*, int max);
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34 uint strlen(char*);
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35 void* memset(void*, int, uint);
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36 void* malloc(uint);
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37 void free(void*);
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38 int atoi(const char*);
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