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Print a message to stderr using a
stdargs argument list.
#include <tracefct/tracefct.h>
void tf_vmessage(
const char *format,
va_list args
);
const char *format- a printf style string
va_list args- objects to print
This function prints a user supplied message to stderr,
prefixed by the standard tracefct style prefix string. The
error message is passed in the same fashion as the arguments to
vprintf. Note that vmessage expects a va_list
to be passed, rather than a variable argument list. Unlike
tf_exit, a newline character is not appended to the
message.