## 3.4. Details of the Mesh Export API

The full list of constants, data structures, types and functions available to the programmer are given in the following sections:

- Defined Constants and Structures
- Initialization and Error Routines
- Zone Routines
- Node Routines
- Element Routines
- Region Routines
- Face Routines
- Volume Routines
- Boundary Condition Routines
- Variable Routines
- Timestep Routines

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