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  1. # include <stdio.h>
  2. # include <string.h>
  3. int s(int a)
  4. {	return a*a;
  5. }
  6.  
  7. int main( int argc, char* argv[])
  8. {
  9.     int k = s(5);
  10.     return 0;
  11. }
  12.  
Compilation error #stdin compilation error #stdout 0s 2248KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.c: In function ‘main’:
prog.c:9:9: error: unused variable ‘k’ [-Werror=unused-variable]
     int k = s(5);
         ^
cc1: all warnings being treated as errors
stdout
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Standard output is empty
https://ideone.com/SnmtFu
language:
C99 (gcc 8.3)
created:
9 years ago
visibility:
public

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