SymbolicC`
SymbolicC`

CUndef

CUndef[def]

is a symbolic representation of a preprocessor undef.

Details and Options

  • SymbolicC expressions are inert; they evaluate to themselves, staying in an unevaluated form.
  • SymbolicC expressions can be converted into a C string with ToCCodeString.

Examples

Basic Examples  (1)

To use SymbolicC you first need to load the package:

This undefines a preprocessor define:

Wolfram Research (2010), CUndef, Wolfram Language function, https://reference.wolfram.com/language/SymbolicC/ref/CUndef.html.

Text

Wolfram Research (2010), CUndef, Wolfram Language function, https://reference.wolfram.com/language/SymbolicC/ref/CUndef.html.

CMS

Wolfram Language. 2010. "CUndef." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/SymbolicC/ref/CUndef.html.

APA

Wolfram Language. (2010). CUndef. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/SymbolicC/ref/CUndef.html

BibTeX

@misc{reference.wolfram_2024_cundef, author="Wolfram Research", title="{CUndef}", year="2010", howpublished="\url{https://reference.wolfram.com/language/SymbolicC/ref/CUndef.html}", note=[Accessed: 19-June-2025 ]}

BibLaTeX

@online{reference.wolfram_2024_cundef, organization={Wolfram Research}, title={CUndef}, year={2010}, url={https://reference.wolfram.com/language/SymbolicC/ref/CUndef.html}, note=[Accessed: 19-June-2025 ]}