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=== Programming convenience ===
Wrapper functions simplify writing computer programs. For example, the <code>MouseAdapter</code> and similar classes in the [[Java AWT]] library demonstrate this.<ref>[
They are useful in the development of applications that use third-party library functions. A wrapper can be written for each of the third party functions and used in the native application. In case the third party functions change or are updated, only the wrappers in the native application need to be modified as opposed to changing all instances of third party functions in the native application.
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Many [[Standard library|library]] functions, such as those in the [[C Standard Library]], act as [[Interface (computing)|interface]]s for [[Abstraction (computer science)|abstract]]ion of [[system call]]s. The ''fork'' and ''execve'' functions in [[glibc]] are examples of this. They call the [[low-level|lower-level]] ''[[Fork (operating system)|fork]]'' and ''[[execve]]'' system calls, respectively.
This may lead to incorrectly using the terms "system call" and "syscall" to refer to higher-level library calls rather than the similarly named system calls, which they wrap.<ref>{{Cite web|url=
==Helper function==
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