View Compilation Error

0_0_8317729_14935.cpp: In function `int main()':
0_0_8317729_14935.cpp:13: error: uninitialized const `f'
0_0_8317729_14935.cpp:13: error: uninitialized const `v'
0_0_8317729_14935.cpp:13: error: uninitialized const `w'
0_0_8317729_14935.cpp:17: error: invalid conversion from `const void*' to `void*'
0_0_8317729_14935.cpp:17: error:   initializing argument 1 of `void* memset(void*, int, size_t)'
0_0_8317729_14935.cpp:18: error: invalid conversion from `const void*' to `void*'
0_0_8317729_14935.cpp:18: error:   initializing argument 1 of `void* memset(void*, int, size_t)'
0_0_8317729_14935.cpp:19: error: invalid conversion from `const void*' to `void*'
0_0_8317729_14935.cpp:19: error:   initializing argument 1 of `void* memset(void*, int, size_t)'
0_0_8317729_14935.cpp:28: error: assignment of read-only location
0_0_8317729_14935.cpp:29: error: assignment of read-only location