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

SDL_isxdigit

Report if a character is a hexadecimal digit.

Header File

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

Syntax

int SDL_isxdigit(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 'A' through 'F', 'a' through 'f', and '0' through '9', 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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