1 files changed, 25 insertions, 0 deletions
diff --git a/graphs/piscine/str_revert/str_revert.c b/graphs/piscine/str_revert/str_revert.c
new file mode 100644
index 0000000..31f7f3d
--- /dev/null
+++ b/graphs/piscine/str_revert/str_revert.c
@@ -0,0 +1,25 @@
+#include "str_revert.h"
+
+#include <stddef.h>
+
+void str_revert(char str[])
+{
+    if (*str == '\0')
+    {
+        return;
+    }
+
+    size_t len = 0;
+    for (; str[len]; len++)
+    {
+        continue;
+    }
+    len--;
+
+    for (size_t i = 0; i <= len / 2; i++)
+    {
+        char tmp = str[i];
+        str[i] = str[len - i];
+        str[len - i] = tmp;
+    }
+}