extern void cpLog_impl_ (int pri, const char* file, int line, const char* fmt, ...)

Generate a log message using a printf-style format string and option arguments

Documentation

Generate a log message using a printf-style format string and option arguments. This function should not be called directly; it exists only as a helper function for the cpLog macro, which in turn is defined only if we are using the GNU C compiler (i.e. if the preprocessor macro __GNUC__ is defined).
Parameters:
pri - the priority to assign to this message
file - the file that contains the code that is calling cpLog
line - the specific line in the file where cpLog is being called
fmt - a printf-style format string
... - any number of additional values to substitute into the string, according to printf rules

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