Create a version of truncstr() that returns the truncated string

No immediate use/need, but I *almost* did. :-)

src/sbbs3/str_util.c

@@ -399,6 +399,8 @@ char* ultoac(ulong l, char *string)
 
 /****************************************************************************/
 /* Truncate string at first occurrence of char in specified character set	*/
+/* Returns a pointer to the terminating NUL if the string was truncated,	*/
+/* NULL otherwise.															*/
 /****************************************************************************/
 char* truncstr(char* str, const char* set)
 {
@@ -411,6 +413,16 @@ char* truncstr(char* str, const char* set)
 	return(p);
 }
 
+/****************************************************************************/
+/* Truncate string at first occurrence of char in specified character set	*/
+/* Returns a pointer to the start of the string.							*/
+/****************************************************************************/
+char* truncated_str(char* str, const char* set)
+{
+	truncstr(str, set);
+	return str;
+}
+
 /****************************************************************************/
 /* rot13 encoder/decoder - courtesy of Mike Acar							*/
 /****************************************************************************/

src/sbbs3/str_util.h

@@ -38,6 +38,7 @@ DLLEXPORT int		strsame(const char *str1, const char *str2);	/* Compares number o
 DLLEXPORT char *	remove_ctrl_a(const char* instr, char* outstr);
 DLLEXPORT char 		ctrl_a_to_ascii_char(char code);
 DLLEXPORT char *	truncstr(char* str, const char* set);
+DLLEXPORT char *	truncated_str(char* str, const char* set);
 DLLEXPORT char *	ascii_str(uchar* str);
 DLLEXPORT char *    replace_named_values(const char* src ,char* buf, size_t buflen,	 
                        const char* escape_seq, named_string_t* string_list,