(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_iscntrl

Report if a character is a control character.

Header File

Defined in SDL_stdinc.h, but apps should use #include <SDL3/SDL.h>

Syntax

int SDL_iscntrl(int x);

Function Parameters

x	character value to check.

Return Value

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 3.0.0.

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CategoryAPI, CategoryAPIFunction

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