diff --git a/src/xspice/icm/table/support/gettokens.h b/src/xspice/icm/table/support/gettokens.h
new file mode 100644
index 000000000..fef240af4
--- /dev/null
+++ b/src/xspice/icm/table/support/gettokens.h
@@ -0,0 +1,10 @@
+#ifndef gettokens_h_included
+#define gettokens_h_included
+
+/* Type definition for each possible token returned. */
+typedef enum token_type_s { CNV_NO_TOK, CNV_STRING_TOK } Cnv_Token_Type_t;
+
+char * CNVget_token(char **s, Cnv_Token_Type_t *type);
+char *CNVgettok(char **s);
+int cnv_get_spice_value(char *str, double *p_value);
+#endif /* gettokens_h_included */
diff --git a/src/xspice/icm/table/support/table_util.h b/src/xspice/icm/table/support/table_util.h
new file mode 100644
index 000000000..88bf059e3
--- /dev/null
+++ b/src/xspice/icm/table/support/table_util.h
@@ -0,0 +1,38 @@
+#include "eno2.h"
+#include "eno3.h"
+
+typedef struct {
+    int   ix;   /* size of array in x */
+    int   iy;   /* size of array in y */
+    int   iz;   /* size of array in z */
+
+    sf_eno3 newtable;   /* the table, code borrowed from madagascar project */
+
+    /* Input values corresponding to each index. They define the value
+     * in the domain at each index value */
+    double *xcol;   /* array of doubles in x */
+    double *ycol;   /* array of doubles in y */
+    double *zcol;   /* array of doubles in z */
+
+    double ***table; /* f(xi, yj, zk) */
+} Table3_Data_t;
+
+void free_local_data(Table3_Data_t *loc);
+
+
+Table3_Data_t *init_local_data(const char *filename, int order);
+
+/* Finds difference between column values */
+static inline double get_local_diff(int n, double *col, int ind)
+{
+    if (ind >= n - 1) {
+        return col[n - 1] - col[n - 2];
+    }
+    if (ind <= 0) {
+        return col[1] - col[0];
+    }
+    return 0.5 * (col[ind + 1] - col[ind - 1]);
+} /* end of function get_local_diff */
+
+
+