/opt/CPLEX_Studio/doc/html/en-US/documentation.html                             (opens the main documentation page)
    
    
-> Cplex Optimizer 
    -> Getting Started with CPLEX
        -> Tutorials
            -> Solving an LP with CPLEX
                -> Using the Callable Library
    -> Examples of CPLEX
        -> Callable Library examples
    -> Overview of the APIs of CPLEX
    -> CPLEX Callable Library (C API) Reference Manual
        -> Browsing by Tasks in the CPLEX Callable Library (C API) Reference Manual
            -> Routines in the CPLEX Callable Library (C API)                   (the whole API routine list)