| SDL_isalnum(3) | SDL3 FUNCTIONS | SDL_isalnum(3) |
SDL_isalnum - Query if a character is alphabetic (a letter) or a number.
Defined in SDL3/SDL_stdinc.h
#include "SDL3/SDL.h"
int SDL_isalnum(int x);
WARNING : Regardless of system locale, this will only treat ASCII values for English 'a-z', 'A-Z', and '0-9' as true.
Returns non-zero if x falls within the character class, zero otherwise.
It is safe to call this function from any thread.
This function is available since SDL 3.2.0.
| SDL 3.2.10 | Simple Directmedia Layer |