View Compilation Error

0_0_18562477_13774.cpp: In function 'int main()':
0_0_18562477_13774.cpp:17:30: error: 'malloc' was not declared in this scope
  char *p = (char*)malloc(size) + size;
                              ^
0_0_18562477_13774.cpp:18:25: error: expected ')' before '::' token
  asm("movq %0, %%rsp\n" :: "r"(p));
                         ^
0_0_18562477_13774.cpp:18:34: error: 'asm' was not declared in this scope
  asm("movq %0, %%rsp\n" :: "r"(p));
                                  ^