text: /*
  gcc -std=c17 -lc -lm -pthread -o ../_build/c/preprocessor_line.exe ./c/preprocessor_line.c && (cd ../_build/c/;./preprocessor_line.exe) || true
  https://en.cppreference.com/w/c/preprocessor/line
  */
  #include <assert.h>
  #define FNAME "test.c"
  int main(void)
  {
  #line 777 FNAME
          assert(2+2 == 5);
  }
  
  