/in/foo.c: In function 'main':
/in/foo.c:58:9: error: 'legnth' undeclared (first use in this function); did you mean 'length'?
   58 |         legnth = next_lenght;
      |         ^~~~~~
      |         length
/in/foo.c:58:9: note: each undeclared identifier is reported only once for each function it appears in