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#pragma once
#include <util/system/compat.h>
class IOutputStream;
/**
* Stream-based `printf` function. Prints formatted data into the provided stream.
* Works the same way as a standard C `printf`.
*
* @param out Stream to write into.
* @param fmt Format string.
* @param ... Additional arguments.
*/
size_t Y_PRINTF_FORMAT(2, 3) Printf(IOutputStream& out, const char* fmt, ...);
/**
* Stream-based `vprintf` function. Prints formatted data from variable argument
* list into the provided stream. Works the same way as a standard C `vprintf`.
*
* @param out Stream to write into.
* @param fmt Format string.
* @param params Additional arguments as a variable argument list.
*/
size_t Y_PRINTF_FORMAT(2, 0) Printf(IOutputStream& out, const char* fmt, va_list params);
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