View Compilation Error

0_0_23409807_4608.cpp:16:26: error: '__tmp' was not declared in this scope
 size_t __tmplen = sizeof __tmp; memcpy(a,__tmp,__tmplen); \
                          ^
0_0_23409807_4608.cpp:16:39: error: expected constructor, destructor, or type conversion before '(' token
 size_t __tmplen = sizeof __tmp; memcpy(a,__tmp,__tmplen); \
                                       ^
0_0_23409807_4608.cpp:17:7: error: expected constructor, destructor, or type conversion before '(' token
 memset(a+__tmplen,0,(sizeof a)-__tmplen); })
       ^
0_0_23409807_4608.cpp:17:43: error: expected declaration before '}' token
 memset(a+__tmplen,0,(sizeof a)-__tmplen); })
                                           ^