diff --git a/pstop_c/pstop/src/pstop/endian.c b/pstop_c/pstop/src/pstop/endian.c
index 36cd431c..5759f0f2 100644
--- a/pstop_c/pstop/src/pstop/endian.c
+++ b/pstop_c/pstop/src/pstop/endian.c
@@ -6,9 +6,12 @@
 uint16_t
 read_uint16_le(const uint8_t *data, size_t *pos)
 {
-    const uint16_t *bytes = (const uint16_t *)(data + *pos);
+    const uint8_t *bytes = data + *pos;
     *pos = *pos + 2U;
-    return *bytes;
+    uint16_t b0 = (uint16_t)bytes[0];
+    uint16_t b1 = (uint16_t)bytes[1];
+    uint16_t val = (uint16_t)(b0 | (b1 << 8U));
+    return val;
 }
 
 uint16_t
@@ -25,9 +28,14 @@ read_uint16_be(const uint8_t *data, size_t *pos)
 uint32_t
 read_uint32_le(const uint8_t *data, size_t *pos)
 {
-    const uint32_t *bytes = (const uint32_t *)(data + *pos);
+    const uint8_t *bytes = data + *pos;
     *pos = *pos + 4U;
-    return *bytes;
+    uint32_t b0 = (uint32_t)bytes[0];
+    uint32_t b1 = (uint32_t)bytes[1];
+    uint32_t b2 = (uint32_t)bytes[2];
+    uint32_t b3 = (uint32_t)bytes[3];
+    uint32_t val = b0 | (b1 << 8U) | (b2 << 16U) | (b3 << 24U);
+    return val;
 }
 
 uint32_t
@@ -46,9 +54,18 @@ read_uint32_be(const uint8_t *data, size_t *pos)
 uint64_t
 read_uint64_le(const uint8_t *data, size_t *pos)
 {
-    const uint64_t *bytes = (const uint64_t *)(data + *pos);
+    const uint8_t *bytes = data + *pos;
     *pos = *pos + 8U;
-    return *bytes;
+    uint64_t b0 = (uint64_t)bytes[0];
+    uint64_t b1 = (uint64_t)bytes[1];
+    uint64_t b2 = (uint64_t)bytes[2];
+    uint64_t b3 = (uint64_t)bytes[3];
+    uint64_t b4 = (uint64_t)bytes[4];
+    uint64_t b5 = (uint64_t)bytes[5];
+    uint64_t b6 = (uint64_t)bytes[6];
+    uint64_t b7 = (uint64_t)bytes[7];
+    uint64_t val = b0 | (b1 << 8U) | (b2 << 16U) | (b3 << 24U) | (b4 << 32U) | (b5 << 40U) | (b6 << 48U) | (b7 << 56U);
+    return val;
 }
 
 uint64_t
@@ -71,9 +88,10 @@ read_uint64_be(const uint8_t *data, size_t *pos)
 void
 write_uint16_le(uint16_t value, uint8_t *data, size_t *pos)
 {
-    uint16_t *bytes = (uint16_t *)(data + *pos);
+    uint8_t *bytes = data + *pos;
     *pos = *pos + 2U;
-    *bytes = value;
+    bytes[0] = (uint8_t)(value & 0xFFU);
+    bytes[1] = (uint8_t)((value >> 8U) & 0xFFU);
 }
 
 void
@@ -88,9 +106,12 @@ write_uint16_be(uint16_t value, uint8_t *data, size_t *pos)
 void
 write_uint32_le(uint32_t value, uint8_t *data, size_t *pos)
 {
-    uint32_t *bytes = (uint32_t *)(data + *pos);
+    uint8_t *bytes = data + *pos;
     *pos = *pos + 4U;
-    *bytes = value;
+    bytes[0] = (uint8_t)(value & 0xFFU);
+    bytes[1] = (uint8_t)((value >> 8U) & 0xFFU);
+    bytes[2] = (uint8_t)((value >> 16U) & 0xFFU);
+    bytes[3] = (uint8_t)((value >> 24U) & 0xFFU);
 }
 
 void
@@ -107,9 +128,16 @@ write_uint32_be(uint32_t value, uint8_t *data, size_t *pos)
 void
 write_uint64_le(uint64_t value, uint8_t *data, size_t *pos)
 {
-    uint64_t *bytes = (uint64_t *)(data + *pos);
+    uint8_t *bytes = data + *pos;
     *pos = *pos + 8U;
-    *bytes = value;
+    bytes[0] = (uint8_t)(value & 0xFFU);
+    bytes[1] = (uint8_t)((value >> 8U) & 0xFFU);
+    bytes[2] = (uint8_t)((value >> 16U) & 0xFFU);
+    bytes[3] = (uint8_t)((value >> 24U) & 0xFFU);
+    bytes[4] = (uint8_t)((value >> 32U) & 0xFFU);
+    bytes[5] = (uint8_t)((value >> 40U) & 0xFFU);
+    bytes[6] = (uint8_t)((value >> 48U) & 0xFFU);
+    bytes[7] = (uint8_t)((value >> 56U) & 0xFFU);
 }
 
 void