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The usual way to examine data in your program is with the `print'
command (abbreviated `p'), or its synonym `inspect'. It evaluates and
prints the value of an expression of the language your program is
written in (*note Using GDB with Different Languages: Languages.).
`print /F EXPR'
EXPR is an expression (in the source language). By default the
value of EXPR is printed in a format appropriate to its data type;
you can choose a different format by specifying `/F', where F is a
letter specifying the format; see *Note Output formats: Output
If you omit EXPR, GDB displays the last value again (from the
"value history"; *note Value history: Value History.). This
allows you to conveniently inspect the same value in an
A more low-level way of examining data is with the `x' command. It
examines data in memory at a specified address and prints it in a
specified format. *Note Examining memory: Memory.
If you are interested in information about types, or about how the
fields of a struct or a class are declared, use the `ptype EXP' command
rather than `print'. *Note Examining the Symbol Table: Symbols.
Created Mon Nov 8 17:42:36 2004 on tillpc with info_to_html version 0.9.6.