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Linux in a Nutshell, 6th Edition by Robert Love, Stephen Figgins, Ellen Siever, Arnold Robbins

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Name

for

Synopsis

for (init-expr; test-expr; incr-expr)
 statement

C-style looping construct. init-expr assigns the initial value of a counter variable. test-expr is a relational expression that is evaluated each time before executing the statement. When test-expr is false, the loop is exited. incr-expr is used to increment the counter variable after each pass. All of the expressions are optional. A missing test-expr is considered to be true. A series of statements must be put within braces.

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