loc_set_log_fn - Man Page

#include <libloc/libloc.h>

void loc_set_log_fn(struct loc_ctx* ctx, void (*log_fn)(struct loc_ctx* ctx, int priority, const char* file, int line, const char* fn, const char* format, va_list args)

libloc can use the calling application’s logging system by setting this callback.

It will be called once for each log message according to the configured log level.

libloc(3)

Michael Tremer