doxygen/libmesh/output_8h_source.html

 #include <string>

 // Bring in everything from the libMesh namespace
 using namespace libMesh;

 void start_output(unsigned int timesteps,
                   std::string filename,
                   std::string varname);
libMesh
The libMesh namespace provides an interface to certain functionality in the library.

start_output
void start_output(unsigned int timesteps, std::string filename, std::string varname)
Definition: output.C:14