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diff --git a/reference/C/CONTRIB/SNIP/xstrcat.c b/reference/C/CONTRIB/SNIP/xstrcat.c
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+++ b/reference/C/CONTRIB/SNIP/xstrcat.c
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+/*
+** XSTRCAT.C - String concatenation function
+**
+** Notes: 1st argument must be a buffer large enough to contain the
+** concatenated strings.
+**
+** 2nd thru nth arguments are the string to concatenate.
+**
+** (n+1)th argument must be NULL to terminate the list.
+*/
+
+#include <stdarg.h>
+
+char *xstrcat(char *des, char *src, ...)
+{
+ char *destination = des;
+ va_list v;
+
+ va_start(v, src);
+
+ while (src != 0)
+ {
+ while (*src != 0)
+ *des++ = *src++;
+ src = va_arg(v, char *);
+ }
+ *des = 0;
+
+ va_end(v);
+
+ return destination;
+}