/in/foo.c: In function 'main':
/in/foo.c:9:17: error: 'sum_resullt' undeclared (first use in this function); did you mean 'sum_result'?
    9 |                 sum_resullt +=(double)numerator/denominator;//numerator为分子denominator为分母
      |                 ^~~~~~~~~~~
      |                 sum_result
/in/foo.c:9:17: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:11:17: error: 'deniminator' undeclared (first use in this function); did you mean 'denominator'?
   11 |                 deniminator=numerator;//下一项分母等于前一项的分子
      |                 ^~~~~~~~~~~
      |                 denominator
/in/foo.c:12:27: error: 'next_denominator' undeclared (first use in this function); did you mean 'next_numerator'?
   12 |                 numerator=next_denominator;//这一项的分子为下一项的分母
      |                           ^~~~~~~~~~~~~~~~
      |                           next_numerator
/in/foo.c:10:27: warning: unused variable 'next_numerator' [-Wunused-variable]
   10 |                 long long next_numerator=numerator+denominator;//下一项的分子为前一项的分子与分母之和
      |                           ^~~~~~~~~~~~~~