Function SDL_iscntrl

pub unsafe extern "C" fn SDL_iscntrl(x: i32) -> i32
Available on crate feature dep_sdl3 only.
Expand description

Report if a character is a control character.

WARNING: Regardless of system locale, this will only treat ASCII values 0 through 0x1F, and 0x7F, as true.

§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.

§Availability

This function is available since SDL 3.2.0.