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# rt.alloca

Implementation of `alloca`() standard C routine.
License:
Distributed under the Boost Software License 1.0. (See accompanying file LICENSE)
Authors:
Walter Bright

Source src/rt/alloca.d

void* `__alloca`(int `nbytes`);
  Allocate data from the caller's stack frame. This is a 'magic' function that needs help from the compiler to work right, do not change its name, do not call it from other compilers.

  Input `nbytes` number of bytes to allocate ECX address of variable with # of bytes in locals This is adjusted upon return to reflect the additional size of the stack frame.

  Returns:
  EAX allocated data, `null` if stack overflows

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