###### (This is the documentation for SDL3, which is under heavy development and the API is changing! [SDL2](https://wiki.libsdl.org/SDL2/) is the current stable version!) # SDL_ispunct Report if a character is a punctuation mark. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_stdinc.h) ## Syntax ```c int SDL_ispunct(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 is equivalent to `((SDL_isgraph(x)) && (!SDL_isalnum(x)))`. ## Thread Safety It is safe to call this function from any thread. ## Version This function is available since SDL 3.0.0. ## See Also * [SDL_isgraph](SDL_isgraph) * [SDL_isalnum](SDL_isalnum) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction)