FunctionDefinition getHelperFunctionDef(int id) {
		if (id >= 0 && id < helperFunctionDefs.length) {
			return helperFunctionDefs[id];
		}
		return null;
	}
Get eBPF helper function definition for the specified ID.

@param id helper function ID
@return eBPF helper function definition or null
Ghidra/Processors/eBPF/src/main/java/ghidra/app/plugin/core/analysis/eBPFHelperDataTypes.java