added index and rindex to libroot.so

R5 ftp and telnet commands now run on Haiku


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14362 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/posix/string.h

@@ -78,6 +78,8 @@ extern const char	*strsignal(int signal);
 #define bzero(buffer, length) memset((buffer), 0, (length))
 
 extern int ffs(int i);
+extern char 		*index(const char *s, int c);
+extern char 		*rindex(char const *s, int c);
 
 #ifdef __cplusplus
 }

src/system/libroot/posix/string/strchr.c

@@ -16,3 +16,10 @@ strchr(const char *s, int c)
 	return (char *)s;
 }
 
+
+char *
+index(const char *s, int c)
+{
+	return strchr(s, c);
+}
+

src/system/libroot/posix/string/strrchr.c

@@ -22,3 +22,11 @@ strrchr(char const *s, int c)
 
 	return (char *)last;
 }
+
+
+char *
+rindex(char const *s, int c)
+{
+	return strrchr(s, c);
+}
+