after a return. Move assignments to {freePtr, dynamic, start} closer to the
return statements to clarify which variables are actually used for
communication between the losely coupled blocks of the code. Clear up
an if-expression to make common structures of the conditions clearer.
Use strchr instead of switch statements to check for a character beeing
a member of a set.
Patches: 7-62.2, 7-62.3, 7-64, 7-65.1, 7-65.2
Submitted by: Max Okumoto <okumoto@ucsd.edu>