nkf_isdigit       281 ext/nkf/nkf-utf8/nkf.c #define nkf_isxdigit(c)  (nkf_isdigit(c) || ('a'<=c && c<='f') || ('A'<=c && c <= 'F'))
nkf_isdigit       285 ext/nkf/nkf-utf8/nkf.c #define nkf_isalnum(c) (nkf_isdigit(c) || nkf_isalpha(c))
nkf_isdigit      4223 ext/nkf/nkf-utf8/nkf.c 		    if (!nkf_isdigit(buf[i])){
nkf_isdigit      6010 ext/nkf/nkf-utf8/nkf.c 			for (i = 0; i < 7 && nkf_isdigit(p[i]); i++){