rt.alloca - D Programming Language
Description: D Programming Language
Keywords: D programming language

Menu

- Learn
- Documentation
  - Language Reference
  - Library Reference
  - Command-line Reference
  - Feature Overview
  - Articles
- Downloads
- Packages
- Community
  - Blog
  - Orgs using D
  - Twitter
  - Forums
  - IRC
  - Community Discord
  - Wiki
  - GitHub
  - Issues
  - Get involved
  - Contributors
  - Foundation
  - Security Team
  - Donate
  - Sponsors
- Resources
  - Tour
  - Books
  - Tutorials
  - Tools
  - Editors
  - IDEs
  - run.dlang.io
  - Visual D
  - Acknowledgments
  - D Style
  - Glossary
  - Sitemap

Search
Report a bug
If you spot a problem with this page, click here to create a Bugzilla issue.
Improve this page
Quickly fork, edit online, and submit a pull request for this page. Requires a signed-in GitHub account. This works well for small changes. If you'd like to make larger changes you may want to consider using a local clone.

# 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 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

Copyright © 1999-2023 by the D Language Foundation | Page generated by Ddoc on Wed Nov 1 19:30:38 2023