View Compilation Error

0_0_17321058_15149.c:7:1: error: expected identifier or '(' before '/' token
 // 杭电oj 1711
 ^
0_0_17321058_15149.c:7:1: error: stray '\272' in program
0_0_17321058_15149.c:7:1: error: stray '\274' in program
0_0_17321058_15149.c:7:1: error: stray '\265' in program
0_0_17321058_15149.c:7:1: error: stray '\347' in program
0_0_17321058_15149.c: In function 'getNext':
0_0_17321058_15149.c:17:2: error: 'next' undeclared (first use in this function)
  next[0]=-1;
  ^
0_0_17321058_15149.c:17:2: note: each undeclared identifier is reported only once for each function it appears in
0_0_17321058_15149.c: In function 'kmp':
0_0_17321058_15149.c:44:13: error: 'next' undeclared (first use in this function)
           j=next[j];
             ^