foo.c: In function 'main':
foo.c:6:18: error: stray '\' in program
    6 |     printf("a=44"\n);
      |                  ^
foo.c:6:18: error: expected ')' before 'n'
    6 |     printf("a=44"\n);
      |           ~      ^~
      |                  )
foo.c:5:9: warning: unused variable 'a' [-Wunused-variable]
    5 |     int a = 44;
      |         ^

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