Output a printf-like string to the output pipes defined in the configuration
#include <qvm/outpipe.h>
void qvm_outf(const unsigned int attr, const char *const fmt, ...)
This function outputs a printf-like string to the output pipes defined in the configuration. For fatal or internal errors (QVM_OUTAL_FATAL or QVM_OUTAL_INTERNAL), use qvm_outff().