gdb.info: Search

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Searching source files

There are two commands for searching through the current source file
for a regular expression.
`forward-search REGEXP'
`search REGEXP'
     The command `forward-search REGEXP' checks each line, starting
     with the one following the last line listed, for a match for
     REGEXP.  It lists the line that is found.  You can use the synonym
     `search REGEXP' or abbreviate the command name as `fo'.
`reverse-search REGEXP'
     The command `reverse-search REGEXP' checks each line, starting
     with the one before the last line listed and going backward, for a
     match for REGEXP.  It lists the line that is found.  You can
     abbreviate this command as `rev'.