public final Function getFunctionAt(Address entryPoint) {
		return currentProgram.getListing().getFunctionAt(entryPoint);
	}
Returns the function with the specified entry point, or
null if no function exists.
@param entryPoint the function entry point address
@return the function with the specified entry point, or
null if no function exists
Ghidra/Features/Base/src/main/java/ghidra/program/flatapi/FlatProgramAPI.java