Symbol: _M_ISDIGIT
usr/src/lib/libc/port/print/doprnt.c
78
#define _M_ISDIGIT(c) (((c) >= 0) && ((c) < 256) && isdigit((c)))
usr/src/lib/libc/port/print/doprnt.c
86
#define _M_ISDIGIT(c) isdigit((c))