View Compilation Error

0_0_1539298_14955.cpp: In function `int main()':
0_0_1539298_14955.cpp:430: error: invalid conversion from `int (*)(akce**, akce**)' to `int (*)(const void*, const void*)'
0_0_1539298_14955.cpp:430: error:   initializing argument 4 of `void qsort(void*, size_t, size_t, int (*)(const void*, const void*))'
0_0_1539298_14955.cpp:431: error: invalid conversion from `int (*)(policka**, policka**)' to `int (*)(const void*, const void*)'
0_0_1539298_14955.cpp:431: error:   initializing argument 4 of `void qsort(void*, size_t, size_t, int (*)(const void*, const void*))'