SDL_isalpha3
Query if a character is alphabetic (a letter).
Usage
#include "SDL3/SDL.h"
int SDL_isalpha(int x);
Header file
Defined in SDL3/SDL_stdinc.h
Overview
WARNING : Regardless of system locale, this will only treat ASCII values for English 'a-z' and 'A-Z' as true.
Function parameters
- x
-
character value to check.
Return value
Returns non-zero if x falls within the character class, zero otherwise.
Thread safety
It is safe to call this function from any thread.