C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
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#line
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─────C/C++ Language─────────────────────────────────────────────────────────
 
  Directive:  #line
 
  Syntax:     #line constant ["filename"]
 
  Summary:    Changes the compiler's internally stored line number to
              <constant>, and changes the internal filename to
              <filename>. The current line number and filename are
              available through the predefined identifiers __LINE__ and
              __FILE__.
 
  See also:   __FILE__, __LINE__
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