View Compilation Error

0_0_29549864_3354.c: In function 'BigFromString':
0_0_29549864_3354.c:58:2: error: expected expression before '/' token
  // while (str[0] == '0') {
  ^
0_0_29549864_3354.c:64:2: error: 'big' undeclared (first use in this function)
  big->length = numDigit / DIGIT;
  ^
0_0_29549864_3354.c:64:2: note: each undeclared identifier is reported only once for each function it appears in
0_0_29549864_3354.c: In function 'main':
0_0_29549864_3354.c:174:2: error: expected expression before '/' token
  // test();
  ^