Be advised that "printable" has a definition that goes back to text
terminals from the dawn of computing, making this a sort of special case
function that is not suitable for Unicode (or most any) text management.
**WARNING**: Regardless of system locale, this will only treat ASCII values
' ' (0x20) through '~' (0x7E) as true.
\param x character value to check.
\returns non-zero if x falls within the character class, zero otherwise.
\threadsafety It is safe to call this function from any thread.
\since This function is available since SDL 3.2.0.
Report if a character is "printable".
Be advised that "printable" has a definition that goes back to text terminals from the dawn of computing, making this a sort of special case function that is not suitable for Unicode (or most any) text management.
**WARNING**: Regardless of system locale, this will only treat ASCII values ' ' (0x20) through '~' (0x7E) as true.
\param x character value to check. \returns non-zero if x falls within the character class, zero otherwise.
\threadsafety It is safe to call this function from any thread.
\since This function is available since SDL 3.2.0.