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int fprintf(FILE *stream, const char *format, ...);<R>
int printf(const char *format, ...);<R>
int sprintf(char *dest, const char *format, ...);<R>
in vfprintf(FILE *stream, const char *format, va_list ap);<R>
int vprintf(const char *format, ...);<R>
int vsprintf(char *dest, const char *format, ...);


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