[#absl-ascii_toupper]
= xref:absl.adoc[absl]::ascii_toupper
:relfileprefix: ../
:mrdocs:

Returns the ASCII character, converting to upper‐case if lower‐case is passed. Note that characters values > 127 are simply returned.

== Synopsis

Declared in `<absl/strings/ascii.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
char
ascii_toupper(unsigned char c);
----

== Return Value

The uppercase equivalent of `c`, or `c` if it has no uppercase form.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *c*
| The character to convert.
|===


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