52 static int	not_alnum(char *param, char *pt);
53 static int	not_ascii(char *param, char *pt);
54 static int	too_long(char *param, char *pt, int len);
55 static int	isnull(char *param, char *pt);
157 isnull(char *param, char *pt)  in isnull()  argument
159 	if (!pt || *pt == '\0') {  in isnull()
167 too_long(char *param, char *pt, int len)  in too_long()  argument
169 	if (strlen(pt) > (size_t)len) {  in too_long()
177 not_ascii(char *param, char *pt)  in not_ascii()  argument
179 	while (*pt) {  in not_ascii()
180 		if (!(isascii(*pt))) {  in not_ascii()
184 		pt++;  in not_ascii()
190 not_alnum(char *param, char *pt)  in not_alnum()  argument
192 	while (*pt) {  in not_alnum()
193 		if (!(isalnum(*pt))) {  in not_alnum()
197 		pt++;  in not_alnum()