+void InfoString_GetValue(const char *buffer, const char *key, char *value, size_t valuelength);
+void InfoString_SetValue(char *buffer, size_t bufferlength, const char *key, const char *value);
+void InfoString_Print(char *buffer);
+
+// strlcat and strlcpy, from OpenBSD
+// Most (all?) BSDs already have them
+#if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(MACOSX)
+# define HAVE_STRLCAT 1
+# define HAVE_STRLCPY 1
+#endif
+
+#ifndef HAVE_STRLCAT
+/*!
+ * Appends src to string dst of size siz (unlike strncat, siz is the
+ * full size of dst, not space left). At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
+ * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * If retval >= siz, truncation occurred.
+ */
+size_t strlcat(char *dst, const char *src, size_t siz);
+#endif // #ifndef HAVE_STRLCAT
+
+#ifndef HAVE_STRLCPY
+/*!
+ * Copy src to string dst of size siz. At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz == 0).
+ * Returns strlen(src); if retval >= siz, truncation occurred.
+ */
+size_t strlcpy(char *dst, const char *src, size_t siz);
+
+#endif // #ifndef HAVE_STRLCPY
+
+void FindFraction(double val, int *num, int *denom, int denomMax);
+
+// decodes XPM file to XPM array (as if #include'd)
+char **XPM_DecodeString(const char *in);
+
+size_t base64_encode(unsigned char *buf, size_t buflen, size_t outbuflen);
+