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C Language Programming Library Reference Guide

Preprocessing Directives - #line

The #line directive allows the current line number and the apparent name of the current sourcecode filename to be changed.


#line line-number filename Note that if the filename is not given, then it stays the same. The line number on the current line is one greater than the number of new-line characters (so the first line number is 1).
Examples: #line 50 user.c

#line 23
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