1 #pragma once
2 
3 #ifdef __cplusplus
4 extern "C" {
5 #endif
6 
7 #define __NEED_size_t
8 #include <bits/alltypes.h>
9 
10 void* alloca(size_t);
11 
12 #ifdef __GNUC__
13 #define alloca __builtin_alloca
14 #endif
15 
16 #ifdef __cplusplus
17 }
18 #endif
19