For example, the C binding includes the four additional functions newpl , selectpl , deletepl , and parampl . The C application programming interface . The 81 functions that operate on a specified Plotter are divided into the four sets tabulated below. Internally, libplot uses double precision floating point. The integer versions are provided for backward compatibility.
Many functions come in both absolute and relative versions, also.
Currently, only a few of the 81 functions have meaningful return values.