diff --git a/build/embed-asset-path.sh b/build/embed-asset-path.sh
index 520f527..cf7005c 100644
--- a/build/embed-asset-path.sh
+++ b/build/embed-asset-path.sh
@@ -67,7 +67,7 @@ cat <<EOF >> src/assets.c
 
 // vv ${name} vv
 snprintf(incpath,511,"%s/%s",CJIT->tmpdir,"${name}");
-if(CJIT->fresh) res = muntargz_to_path(CJIT->tmpdir,(char*)&${varname},${varname}_len);
+if(CJIT->fresh) res = muntargz_to_path(CJIT->tmpdir,(const uint8_t*)&${varname},${varname}_len);
 if(res!=0) { _err("Error extracting %s",incpath); return(false); }
 tcc_add_include_path(CJIT->TCC, incpath);
 // ^^ ${name} ^^
diff --git a/src/cjit.h b/src/cjit.h
index 702c76e..3658027 100644
--- a/src/cjit.h
+++ b/src/cjit.h
@@ -46,9 +46,9 @@ struct CJITState {
 typedef struct CJITState CJITState;
 
 extern CJITState* cjit_new();
-
-bool cjit_compile_file(CJITState *cjit, const char *_path);
-bool cjit_add_file(CJITState *cjit, const char *path);
+extern bool cjit_setup(CJITState *cjit);
+extern bool cjit_compile_file(CJITState *cjit, const char *_path);
+extern bool cjit_add_file(CJITState *cjit, const char *path);
 
 extern int cjit_exec(CJITState *cjit, int argc, char **argv);
 
diff --git a/src/file.c b/src/file.c
index 09b8432..7a793c4 100644
--- a/src/file.c
+++ b/src/file.c
@@ -245,9 +245,8 @@ static char *full_content = NULL;
 static int file_load_ftw(const char *pathname,
                          const struct stat *sbuf,
                          int type, struct FTW *ftwb) {
-    FILE *fd;
-    char *content = NULL;
     unsigned int len;
+    char *content = NULL;
     if (type == FTW_F) {
         size_t pathlen = strlen(pathname);
         if (pathname[pathlen-1] == 'c' &&
@@ -276,8 +275,6 @@ static int file_load_ftw(const char *pathname,
 char *dir_load(const char *path)
 {
     struct stat sb;
-    FILE *fd;
-    char *content = NULL;
 
     if (stat(path, &sb) != 0) {
         _err("Error: %s",path);
diff --git a/src/main.c b/src/main.c
index f3ff884..b730118 100644
--- a/src/main.c
+++ b/src/main.c
@@ -180,7 +180,8 @@ int main(int argc, char **argv) {
 		  cjit_free(CJIT);
 		  unsigned int len = 0;
 		  _err("Extract contents of: %s",opt.arg);
-		  char *targz = file_load(opt.arg, &len);
+		  const uint8_t *targz = (const uint8_t*)
+			  file_load(opt.arg, &len);
 		  if(!targz) exit(1);
 		  if(!len) exit(1);
 		  muntargz_to_path(".",targz,len);
diff --git a/src/muntar.c b/src/muntar.c
index cb84ddb..3a484c1 100644
--- a/src/muntar.c
+++ b/src/muntar.c
@@ -113,11 +113,11 @@ static int raw_to_header(mtar_header_t *h, const mtar_raw_header_t *rh)
 	h->devminor = (uint32_t) decodeTarOctal(rh->devminor, sizeof(rh->devminor));
 
 	h->type = (uint32_t) rh->type;
-	strncpy(h->name, rh->name, sizeof(rh->name));
+	strncpy(h->name, rh->name, sizeof(h->name));
 	h->name[ sizeof(h->name) - 1 ] = 0;
-	strncpy(h->linkname, rh->linkname, sizeof(rh->linkname));
+	strncpy(h->linkname, rh->linkname, sizeof(h->linkname));
 	h->linkname[ sizeof(h->linkname) - 1 ] = 0;
-	strncpy(h->path, rh->path, sizeof(rh->path));
+	strncpy(h->path, rh->path, sizeof(h->path));
 	h->path[ sizeof(h->path) - 1 ] = 0;
 
 	return MTAR_ESUCCESS;