To provide a relevance determination program, a relevance determination device, and a relevance determination method capable of specifying a main program that calls a subprogram.SOLUTION: It includes deleting a declaration statement for any one of the one or more sub-programs called by a main program from a source code of the main program, compiling the source code of the main program after the declaration statement is deleted, and if the execution of compilation is completed normally, outputting information indicating that any subprogram is a subprogram that is not called by the main program.SELECTED DRAWING: Figure 6
展开▼