coreutils/lib/getdate.c

141 /* ISDIGIT differs from isdigit, as follows:
145    POSIX says that only '0' through '9' are digits.  Prefer ISDIGIT to
148 #define ISDIGIT(c) ((unsigned int) (c) - '0' <= 9)
2969       if (ISDIGIT (c) || c == '-' || c == '+')
2979               if (! ISDIGIT (c))
2993               if (! ISDIGIT (c))
2998           if ((c == '.' || c == ',') && ISDIGIT (p[1]))
3029                   if (ISDIGIT (*p))
3035                 for (; ISDIGIT (*p); p++)
3041               while (ISDIGIT (*p))