Open main menu
Home
Random
Recent changes
Special pages
Community portal
Preferences
About Wikipedia
Disclaimers
Incubator escapee wiki
Search
User menu
Talk
Dark mode
Contributions
Create account
Log in
Editing
C preprocessor
(section)
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
===Line control=== The values of the predefined macros <code>__FILE__</code> and <code>__LINE__</code> can be set for a subsequent line via the <code>#line</code> directive. In the code below, <code>__LINE__</code> expands to 314 and <code>__FILE__</code> to "pi.c". <syntaxhighlight lang="cpp"> #line 314 "pi.c" printf("line=%d file=%s\n", __LINE__, __FILE__); </syntaxhighlight>
Edit summary
(Briefly describe your changes)
By publishing changes, you agree to the
Terms of Use
, and you irrevocably agree to release your contribution under the
CC BY-SA 4.0 License
and the
GFDL
. You agree that a hyperlink or URL is sufficient attribution under the Creative Commons license.
Cancel
Editing help
(opens in new window)