Provided by: libsdl3-doc_3.2.20+ds-2_all bug

NAME

       SDL_isdigit - Report if a character is a numeric digit.

SYNOPSIS

       #include <SDL3/SDL_stdinc.h>

       int SDL_isdigit(int x);

DESCRIPTION

       WARNING: Regardless of system locale, this will only treat ASCII values '0' (0x30) through '9' (0x39), as
       true.

FUNCTION 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.

Simple Directmedia Layer                           SDL 3.2.20                                     SDL_isdigit(3)