alloca.h

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#ifndef _ALLOCA_H
#define _ALLOCA_H
 
/**
 * @file
 *
 * Temporary memory allocation
 *
 */
 
#include <stdint.h>
 
/**
 * Allocate temporary memory from the stack
 *
 * @v size              Size to allocate
 * @ret ptr             Allocated memory
 *
 * This memory will be freed automatically when the containing
 * function returns.  There are several caveats regarding use of
 * alloca(); use it only if you already know what they are.
 */
#define alloca(size) __builtin_alloca ( size )
 
#endif /* _ALLOCA_H */