diff --git a/.gitignore b/.gitignore
index dbfb6d8..d3b8018 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 *.csv
-a.out
+*a.out
diff --git a/struct-location/location-test.c b/struct-location/location-test.c
new file mode 100644
index 0000000..6cd2d28
--- /dev/null
+++ b/struct-location/location-test.c
@@ -0,0 +1,28 @@
+#include "location.h"
+
+/*use assert()*/
+#include <assert.h>
+
+/*use strcmp*/
+#include <string.h>
+
+static void test_lct_lat(){
+  struct location lctn;
+  strcpy(lctn.lat, "+052.26594");
+  strcpy(lctn.lon, "+10.52673");
+  struct location lctnGet=getLocation(lctn.lat, lctn.lon);
+  assert(strcmp(lctn.lat, lctnGet.lat)==0 && "test_lct_lat()");
+}
+
+static void test_lct_lon(){
+  struct location lctn;
+  strcpy(lctn.lat, "+052.26594");
+  strcpy(lctn.lon, "+10.52673");
+  struct location lctnGet=getLocation(lctn.lat, lctn.lon);
+  assert(strcmp(lctn.lat, lctnGet.lat)==0 && "test_lct_lon()");
+}
+
+int main(){
+  test_lct_lat();
+  test_lct_lon();
+}
diff --git a/struct-location/location.c b/struct-location/location.c
new file mode 100644
index 0000000..dd5b2ab
--- /dev/null
+++ b/struct-location/location.c
@@ -0,0 +1,16 @@
+#include "location.h"
+
+struct location getLocation(char lat[11], char lon[10]){
+  struct location lctn;
+  int i,j;
+
+  for(i=0; i<11; i++){
+    lctn.lat[i] = lat[i];
+  }
+
+  for(j=0; j<10; j++){
+    lctn.lon[j] = lon[j];
+  }
+
+  return lctn;
+}
diff --git a/struct-location/location.h b/struct-location/location.h
new file mode 100644
index 0000000..1c96eee
--- /dev/null
+++ b/struct-location/location.h
@@ -0,0 +1,9 @@
+/*use struct statement to define structure*/
+struct location {
+  /*latitide like +052.26594*/
+  char lat[11];
+  /*longiture like +10.52673*/
+  char lon[10];
+};
+
+struct location getLocation(char lat[11], char lon[10]);
diff --git a/struct-location/readme.md b/struct-location/readme.md
new file mode 100644
index 0000000..ee590c0
--- /dev/null
+++ b/struct-location/readme.md
@@ -0,0 +1,7 @@
+# tdd
+
+* test location
+
+```
+gcc -Wall location-test.c location.c && ./a.out
+```
\ No newline at end of file