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Rev 3022 Rev 4055
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{ \
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{ \
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    char buf[256]; \
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    char buf[256]; \
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    int n; \
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    int n; \
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    n = snprintf(buf, sizeof(buf), fmt, ##__VA_ARGS__); \
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    n = snprintf(buf, sizeof(buf), fmt, ##__VA_ARGS__); \
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    if (n > 0) \
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    if (n > 0) \
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        (void) __SYSCALL3(SYS_IO, 1, (sysarg_t) buf, strlen(buf)); \
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        (void) __SYSCALL3(SYS_KLOG, 1, (sysarg_t) buf, strlen(buf)); \
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}
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}
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typedef struct {
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    /** Underlying file descriptor. */
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    int fd;
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    /** Error indicator. */
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    int error;
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    /** End-of-file indicator. */
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    int eof;
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} FILE;
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extern int getchar(void);
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extern FILE *stdin, *stdout, *stderr;
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extern int puts(const char * str);
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extern int putchar(int c);
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extern int getchar(void);
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extern int printf(const char *fmt, ...);
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extern int puts(const char *);
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extern int sprintf(char *str, const char *fmt, ...);
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extern int snprintf(char *str, size_t size, const char *fmt, ...);
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extern int vprintf(const char *fmt, va_list ap);
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extern int putchar(int);
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extern int vsprintf(char *str, const char *fmt, va_list ap);
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extern int vsnprintf(char *str, size_t size, const char *fmt, va_list ap);
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extern int printf(const char *, ...);
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extern int asprintf(char **, const char *, ...);
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extern int sprintf(char *, const char *, ...);
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#define fprintf(f, fmt, ...) printf(fmt, ##__VA_ARGS__)
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extern int snprintf(char *, size_t , const char *, ...);
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extern int vprintf(const char *, va_list);
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extern int vsprintf(char *, const char *, va_list);
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extern int vsnprintf(char *, size_t, const char *, va_list);
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extern int rename(const char *, const char *);
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extern int rename(const char *, const char *);
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extern FILE *fopen(const char *, const char *);
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extern int fclose(FILE *);
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extern size_t fread(void *, size_t, size_t, FILE *);
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extern size_t fwrite(const void *, size_t, size_t, FILE *);
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extern int feof(FILE *);
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extern int ferror(FILE *);
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extern void clearerr(FILE *);
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extern int fgetc(FILE *);
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extern int fputc(int, FILE *);
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extern int fputs(const char *, FILE *);
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extern int fprintf(FILE *, const char *, ...);
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extern int vfprintf(FILE *, const char *, va_list);
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#define getc fgetc
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#define putc fputc
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extern int fseek(FILE *, long, int);
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#ifndef SEEK_SET
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    #define SEEK_SET    0
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    #define SEEK_CUR    1
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    #define SEEK_END    2
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#endif
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#endif
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#endif
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/** @}
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/** @}
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 */
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 */