(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_iscntrl

Report if a character is a control character.

Header File

Defined in <SDL3/SDL_stdinc.h>

Syntax

int SDL_iscntrl(int x);

Function Parameters

int

x

character value to check.

Return Value

(int) Returns non-zero if x falls within the character class, zero otherwise.

Remarks

WARNING: Regardless of system locale, this will only treat ASCII values 0 through 0x1F, and 0x7F, as true.

Thread Safety

It is safe to call this function from any thread.

Version

This function is available since SDL 3.1.3.

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CategoryAPI, CategoryAPIFunction, CategoryStdinc

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