DOKK / manpages / debian 13 / libsdl3-doc / SDL_isspace.3.en
SDL_isspace(3) SDL3 FUNCTIONS SDL_isspace(3)

SDL_isspace - Report if a character is whitespace.

Defined in SDL3/SDL_stdinc.h

#include "SDL3/SDL.h"
int SDL_isspace(int x);

WARNING : Regardless of system locale, this will only treat the following ASCII values as true:

• space (0x20)

• tab (0x09)

• newline (0x0A)

• vertical tab (0x0B)

• form feed (0x0C)

• return (0x0D)

character value to check.

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