Use structs.h generated from Ghidra project

include/stdlib.h

@@ -0,0 +1,27 @@
+#ifndef _STDLIB_H_
+#define _STDLIB_H_
+
+typedef struct {
+    /* 0x0 */ int quot;
+    /* 0x4 */ int rem;
+} div_t;
+
+
+typedef struct {
+    /* 0x0 */ long quot;
+    /* 0x4 */ long rem;
+} ldiv_t;
+
+
+typedef struct {
+    /* 0x0 */ long long quot;
+    /* 0x8 */ long long rem;
+} lldiv_t;
+
+typedef unsigned int size_t;
+
+typedef int ssize_t;
+
+typedef long wchar_t;
+
+#endif