Gdb/Debugging-C
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15.4.1.6 GDB and C
The set print union
and show print union
commands apply to
the union
type. When set to ‘on
’, any union
that is
inside a struct
or class
is also printed. Otherwise, it
appears as ‘{...}
’.
The @
operator aids in the debugging of dynamic arrays, formed
with pointers and a memory allocation function. See Expressions.