This chapter talks about the parsing and formatting functions that are a
part of the Str class. Note that the Str class does not
try to provide every imaginable function but does try to provide
functions that make parsing through string data in files convenient.
Most of the functions not provided can be found in the C standard library
and can be easily used. For example, there is no atoi() function
built-into the Str class but using the standard atoi() is
trivial:
Str str_x = "10"; int x = atoi(str_x);
Note that the auto-cast to const char* that Str provides
makes using C-library routines simple.