foo.c: In function ‘main’:
foo.c:9:24: error: ‘numrber’ undeclared (first use in this function); did you mean ‘number’?
    9 |                 number=numrber/10;
      |                        ^~~~~~~
      |                        number
foo.c:9:24: note: each undeclared identifier is reported only once for each function it appears in