is_digit - DragonflyBSD

Symbol: is_digit

bin/sh/pregenerated/syntax.h

#define is_digit(c) ((unsigned int)((c) - '0') <= 9)

games/rogue/message.c

is_digit(short ch)

lib/libc/stdio/printflocal.h

#define is_digit(c) ((unsigned)to_digit(c) <= 9)

lib/libc/stdio/xprintf.c

#define is_digit(c) (((unsigned)to_digit(c)) <= 9)

lib/libc/stdtime/private.h

#define is_digit(c) ((unsigned)(c) - '0' <= 9)