Symbol: digitchar
src/system/libnetwork/netresolv/net/getaddrinfo.c
390
#define digitchar(c) ((c) >= '0' && (c) <= '9')
src/system/libnetwork/netresolv/resolv/res_comp.c
161
#define digitchar(c) ((c) >= 0x30 && (c) <= 0x39)