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#include <stdio.h>
enum { LOGL_TRACE, LOGL_DEBUG, LOGL_INFO, LOGL_WARN, LOGL_ERROR, LOGL_FATAL };
/*
* log_info("Hello %s!", "World");
* log_warn("warning");
*/
#define log_trace(...) dp_log_write(LOGL_TRACE, __FILE__, __LINE__, __VA_ARGS__)
#define log_debug(...) dp_log_write(LOGL_DEBUG, __FILE__, __LINE__, __VA_ARGS__)
#define log_info(...) dp_log_write(LOGL_INFO, __FILE__, __LINE__, __VA_ARGS__)
#define log_warn(...) dp_log_write(LOGL_WARN, __FILE__, __LINE__, __VA_ARGS__)
#define log_error(...) dp_log_write(LOGL_ERROR, __FILE__, __LINE__, __VA_ARGS__)
#define log_fatal(...) dp_log_write(LOGL_FATAL, __FILE__, __LINE__, __VA_ARGS__)
void dp_log_set_output(void (*)(int level, const char *source, int line, const char *msg));
/*
* Sets the minimum log level. Level is inclusive.
*/
void dp_log_set_level(int level);
void dp_log_write(int level, const char *source, int line, const char *fmt, ...);
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