View Compilation Error

0_0_24467882_19959.cpp: In function 'int main()':
0_0_24467882_19959.cpp:160:60: error: invalid conversion from 'char' to 'char*' [-fpermissive]
                     test=min(test,findSmall(sons[i],mains[j],slen,len));
                                                            ^
0_0_24467882_19959.cpp:117:5: note: initializing argument 2 of 'int findSmall(char*, char*, int, int)'
 int findSmall(char *son,char *father,int slen,int flen)
     ^