diff --git a/include/devil1pld.h b/include/devil1pld.h
index d57bfd7..f79e496 100644
--- a/include/devil1pld.h
+++ b/include/devil1pld.h
@@ -15,14 +15,21 @@ struct PldHeader {
 
 // input: pointer to a struct, contents of the .pld file.
 // * = pass by reference of a struct PldHeader
-bool getpldh(struct PldHeader*, const char*);
+static bool getpldh(struct PldHeader*, const char*);
 
 // input: pointer to header, index of offset, filesize
 // * = pass by reference of a struct PldHeader
-int sizeofpldstruct(struct PldHeader*, unsigned int, unsigned int);
+static int sizeofpldstruct(struct PldHeader*, unsigned int, unsigned int);
 
 // input: a pld header struct.
 // * = pass by reference of a struct PldHeader
-void printpldh(struct PldHeader*);
+static void printpldh(struct PldHeader*);
 
-#endif
\ No newline at end of file
+typedef struct { 
+    bool (* const getheader)   (struct PldHeader*, const char*);
+    int  (* const sizeofsector)(struct PldHeader*, unsigned int, unsigned int);
+    void (* const printheader) (struct PldHeader*);
+} namespace_struct;
+extern namespace_struct const DEVIL1PLD;
+
+#endif
diff --git a/src/devil1pld.c b/src/devil1pld.c
index bc0e378..148e323 100644
--- a/src/devil1pld.c
+++ b/src/devil1pld.c
@@ -1,7 +1,7 @@
 #include "devil1pld.h"
 #include <stdio.h>
 
-bool getpldh(struct PldHeader *ph, const char *filedata) {
+static bool getpldh(struct PldHeader *ph, const char *filedata) {
     bool good = false;
     if (ph != NULL && filedata != NULL) {
         ph -> numOffset = (int32_t)filedata[0];
@@ -12,7 +12,7 @@ bool getpldh(struct PldHeader *ph, const char *filedata) {
 }
 
 // determine the size of the i-th pld structure
-int sizeofpldstruct(struct PldHeader *ph, unsigned int i, unsigned int max) {
+static int sizeofpldstruct(struct PldHeader *ph, unsigned int i, unsigned int max) {
     unsigned int size = -1;
     if (ph == NULL) {
         fprintf(stderr, "Error: given null pointer\n");
@@ -29,7 +29,7 @@ int sizeofpldstruct(struct PldHeader *ph, unsigned int i, unsigned int max) {
     return size;
 }
 
-void printpldh(struct PldHeader *ph) {
+static void printpldh(struct PldHeader *ph) {
     if (ph == NULL) {
         return;
     }
@@ -40,3 +40,5 @@ void printpldh(struct PldHeader *ph) {
         printf("offset %i = %x\n", i, ph -> offsets[i]);
     }
 }
+
+namespace_struct const DEVIL1PLD = {getpldh, sizeofpldstruct, printpldh};
diff --git a/test/main.c b/test/main.c
index 881b260..0b685da 100644
--- a/test/main.c
+++ b/test/main.c
@@ -67,7 +67,7 @@ bool unpackpld(const char *filedata,
         return false;
     } 
     struct PldHeader h;
-    getpldh(&h, filedata);
+    DEVIL1PLD.getheader(&h, filedata);
     char *fn       = NULL;
     fn = (char*)malloc(strlen(filename) + 3 + 4);
     int size       = 0;
@@ -75,7 +75,7 @@ bool unpackpld(const char *filedata,
     char textureid[TYPE_ID_LENGTH] = {'\0', '2', '3', 'T'};
     for (i = 0; i < h.numOffset; i++) {
         const char * currentfile = filedata + h.offsets[i];
-        size = sizeofpldstruct(&h, i, filesize);
+        size = DEVIL1PLD.sizeofsector(&h, i, filesize);
         if (strncmp( currentfile, textureid, TYPE_ID_LENGTH ) == 0)
           sprintf(fn, "%s_%d.txp", filename, i);
         else