10 typedef struct sFILE FILE;
12 extern int printf(const char *format, ...);
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13 extern int vsprintf(char *buf, const char *format, va_list args);
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14 extern int sprintf(char *buf, const char *format, ...);
16 extern FILE *fopen(char *file, char *mode);
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17 extern FILE *freopen(FILE *fp, char *file, char *mode);
18 extern void fclose(FILE *fp);
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19 extern void fflush(FILE *fp);
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21 extern size_t fread(void *buf, size_t size, size_t n, FILE *fp);
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22 extern size_t fwrite(void *buf, size_t size, size_t n, FILE *fp);
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23 extern int fgetc(FILE *fp);
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24 extern int fputc(int ch, FILE *fp);
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26 extern int fprintf(FILE *fp, const char *format, ...);
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27 extern int vfprintf(FILE *fp, const char *format, va_list args);
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30 extern FILE *stdout;
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31 extern FILE *stderr;
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