diff --git a/main.c b/main.c
index 7f2e096..ca27635 100644
--- a/main.c
+++ b/main.c
@@ -21,7 +21,7 @@ bool writedata(const char *basename,
     return status;
 }
 
-void unpackpld(const char *buffer, 
+void splitpld(const char *buffer, 
                const struct PldHeader *ph, 
                const char *name,
                unsigned int s) {
@@ -44,7 +44,7 @@ void unpackpld(const char *buffer,
     free(wbuffer);
 }
 
-void show_pldheader(struct PldHeader *x) {
+void showpldh(struct PldHeader *x) {
     printf("number of offsets = %i\n", x -> numOffset);
     unsigned int i;
     for (i = 0; i < x -> numOffset; i++) {
@@ -52,7 +52,7 @@ void show_pldheader(struct PldHeader *x) {
     }
 }
 
-struct PldHeader *read_pldheader(const char *buffer) {
+struct PldHeader *getpldh(const char *buffer) {
     if (buffer == NULL) {
         return NULL;
     }
@@ -74,7 +74,7 @@ struct PldHeader *read_pldheader(const char *buffer) {
     return ph;
 }
 
-char *readpld(const char *fname, unsigned int *s) {
+char *loadfile(const char *fname, unsigned int *s) {
     FILE *f           = fopen(fname, "rb");
     unsigned int size = 0; // number of elements to buffer;
     unsigned int rcnt = 0; // number of char's read by fread(...)
@@ -103,18 +103,25 @@ char *readpld(const char *fname, unsigned int *s) {
     return buf;
 }
 
-int main(int argc, char ** argv) {
-    char *filename     = argv[1];
+bool unpackpld (const char *filename) {
+    bool status = false;
     unsigned int fsize = 0;
-    char *filedata     = readpld(filename, &fsize);
+    char *filedata     = loadfile(filename, &fsize);
     printf("fsize is %i\n", fsize);
     if (filedata != NULL && fsize != 0) {
-        struct PldHeader *pldh = read_pldheader(filedata);
-        unpackpld(filedata, pldh, filename, fsize);
+        struct PldHeader *pldh = getpldh(filedata);
+        splitpld(filedata, pldh, filename, fsize);
         free(pldh -> offsets);
         free(pldh);
+        status = true;
     }
     free(filedata);
+    return status;
+}
+
+int main(int argc, char ** argv) {
+    char *f = argv[1];
+    unpackpld(f);
     return 0;
 }