View Compilation Error

0_0_39258850_6415.cpp: In function 'int main()':
0_0_39258850_6415.cpp:40:36: error: invalid conversion from 'int (*)(Stu, Stu)' to 'int (*)(const void*, const void*)' [-fpermissive]
   40 |         qsort(st,count,sizeof(Stu),cmp);
      |                                    ^~~
      |                                    |
      |                                    int (*)(Stu, Stu)
In file included from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/cstdlib:79,
                 from gcc-13.1.0/lib/gcc/x86_64-w64-mingw32/13.1.0/include/c++/stdlib.h:36,
                 from 0_0_39258850_6415.cpp:3:
gcc-13.1.0/x86_64-w64-mingw32/include/stdlib.h:441:93: note:   initializing argument 4 of 'void qsort(void*, size_t, size_t, int (*)(const void*, const void*))'
  441 |   void __cdecl qsort(void *_Base,size_t _NumOfElements,size_t _SizeOfElements,int (__cdecl *_PtFuncCompare)(const void *,const void *));
      |                                                                               ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~