Adding upstream version 0.5.1

regex.h

@@ -0,0 +1,43 @@
+/* $Id: regex.h,v 1.6 2003/09/22 21:02:21 ukai Exp $ */
+#define REGEX_MAX	64
+#define STORAGE_MAX	256
+
+typedef struct {
+    char type;
+#ifdef USE_M17N
+    wc_wchar_t wch;
+#endif
+    unsigned char ch;
+} longchar;
+
+typedef struct regexchar {
+    union {
+	longchar *pattern;
+	struct regex *sub;
+    } p;
+    unsigned char mode;
+} regexchar;
+
+
+typedef struct regex {
+    regexchar re[REGEX_MAX];
+    longchar storage[STORAGE_MAX];
+    char *position;
+    char *lposition;
+    struct regex *alt_regex;
+} Regex;
+
+
+Regex *newRegex(char *ex, int igncase, Regex *regex, char **error_msg);
+
+int RegexMatch(Regex *re, char *str, int len, int firstp);
+
+void MatchedPosition(Regex *re, char **first, char **last);
+
+
+/* backward compatibility */
+char *regexCompile(char *ex, int igncase);
+
+int regexMatch(char *str, int len, int firstp);
+
+void matchedPosition(char **first, char **last);