protected Function getFunction(Program program, String address) {
		Address addr = addr(program, address);
		return program.getFunctionManager().getFunctionAt(addr);
	}
Generate address from parsed string within specified program.
@param program target program
@param addrString address string (w/ optional space name) to be parsed
@return addressor null if parse fails
Ghidra/Features/Base/src/test.slow/java/ghidra/program/util/AbstractProgramDiffTest.java