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| ENclose | Close down the EPANET Toolkit system. |
| ENcloseH | close hydraulics engine |
| ENcloseQ | Close water quality analysis and free allocated memory |
| ENepanet | ENepanet |
| ENgetcontrol | ENgetcontrol |
| ENgetcoord | Get coordinates for a node |
| ENgetcount | Get number of network elements. |
| ENgetflowunits | Retrieve a code number indicating the units used to express all flow rates. |
| ENgetlinkid | Retrieve the ID label of a link |
| ENgetlinkindex | Retrieve the index of a link |
| ENgetlinknodes | Retrieve the index of the end nodes of a link |
| ENgetlinktype | Retrieve the type code for a link |
| ENgetlinkvalue | Retrieve parameter value for a link |
| ENgetnodeid | Retrieve the ID label a node. |
| ENgetnodeindex | Retrieve the index of a node |
| ENgetnodetype | Retrieve the node-type code |
| ENgetnodevalue | Retrieve node parameter value. |
| ENgetoption | Retrieve the value of an analysis option. |
| ENgetpatternid | Retrieve the ID label a time pattern |
| ENgetpatternindex | Retrieve the index a time pattern. |
| ENgetpatternlen | Retrieve the number of time periods in a time pattern. |
| ENgetpatternvalue | Retrieve the multiplier factor for a specific time period |
| ENgetqualinfo | Get quality analysis information |
| ENgetqualtype | Retrieve the type of water quality analysis called for. |
| ENgettimeparam | Get the value of one or more specific analysis time parameters. |
| ENgetversion | Retrieve the current version number of the EPANET Toolkit. |
| ENinitH | Initialize hydraulic engine |
| ENinitQ | Initialize water quality analysis |
| ENnextH | determine the next hydraulic step |
| ENnextQ | Advances WQ simulation to start of the next hydraulic time period. |
| ENopen | Open the EPANET Toolkit. |
| ENopenH | Open hydraulics analysis system. |
| ENopenQ | Sets up for Water Quality analysis |
| ENreport | Write simulation report to the report file |
| ENrunH | run hydraulics engine |
| ENrunQ | Computs WQ results at current time . |
| ENsaveH | ENsaveH Saves hydraulic results to binary file |
| ENsaveinpfile | ENaveinpfile Saves current data to "INP" formatted text file. |
| ENsetcontrol | Set the parameters of a simple control statement |
| ENsetcoord | Set coordinates for a node |
| ENsetlinkvalue | Set a parameter value for a link |
| ENsetnodevalue | Set the parameter value for a node. |
| ENsetoption | Set the value of a particular analysis option. |
| ENsetpattern | Set all of the multiplier factors for a specific time pattern. |
| ENsetpatternvalue | set pattern value |
| ENsetqualtype | Set the type of water quality analysis called for. |
| ENsettimeparam | Set the value of a time parameter. |
| ENsolveH | ENsolveH |
| ENsolveQ | Solve network water quality for all time periods |
| ENstepQ | Advances WQ simulation one water quality time step. |
| epanet2toolkit | epanet2toolkit |