SDL_toupper3
Convert low-ascii english letters to uppercase.
Usage
#include "SDL3/SDL.h"
int SDL_toupper(int x);
Header file
Defined in SDL3/SDL_stdinc.h
Overview
WARNING : Regardless of system locale, this will only convert ASCII values 'a' through 'z' to uppercase.
This function returns the uppercase equivalent of x . If a character cannot be converted, or is already uppercase, this function returns x .
Function parameters
- x
-
character value to check.
Return value
Returns capitalized version of x, or x if no conversion available.
Thread safety
It is safe to call this function from any thread.