View Compilation Error

0_0_21961562_26679.cpp:8:15: error: expected primary-expression before ',' token
 int quicksort(,int sun[],int k,int n)    //二分查找
               ^
0_0_21961562_26679.cpp:8:16: error: expected primary-expression before 'int'
 int quicksort(,int sun[],int k,int n)    //二分查找
                ^
0_0_21961562_26679.cpp:8:26: error: expected primary-expression before 'int'
 int quicksort(,int sun[],int k,int n)    //二分查找
                          ^
0_0_21961562_26679.cpp:8:32: error: expected primary-expression before 'int'
 int quicksort(,int sun[],int k,int n)    //二分查找
                                ^
0_0_21961562_26679.cpp:8:37: error: expression list treated as compound expression in initializer [-fpermissive]
 int quicksort(,int sun[],int k,int n)    //二分查找
                                     ^
0_0_21961562_26679.cpp:9:1: error: expected ',' or ';' before '{' token
 {
 ^