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diff --git a/include/odp/api/spec/std.h b/include/odp/api/spec/std.h
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+++ b/include/odp/api/spec/std.h
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+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2015-2018 Linaro Limited
+ * Copyright (c) 2021 Nokia
+ */
+
+/**
+ * @file
+ *
+ * ODP standard types and optimized C library functions
+ */
+
+#ifndef ODP_API_SPEC_STD_H_
+#define ODP_API_SPEC_STD_H_
+#include <odp/visibility_begin.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <odp/api/std_types.h>
+
+/** @addtogroup odp_std
+ *  Standard types and performance optimized versions of selected C library
+ *  functions.
+ *  @{
+ */
+
+/**
+ * Memcpy
+ *
+ * ODP version of C library memcpy function. It copies 'num' bytes from source
+ * to destination address. Source and destination memory blocks must not
+ * overlap.
+ *
+ * @param dst    Pointer to destination memory block
+ * @param src    Pointer to source memory block
+ * @param num    Number of bytes to copy
+ *
+ * @return 'dst' address
+ */
+void *odp_memcpy(void *dst, const void *src, size_t num);
+
+/**
+ * Memset
+ *
+ * ODP version of C library memset function. It sets 'value' to first 'num'
+ * bytes of memory block pointed by 'ptr'.
+ *
+ * @param ptr    Pointer to the memory block
+ * @param value  Value to be set
+ * @param num    Number of bytes to set
+ *
+ * @return 'ptr' address
+ */
+void *odp_memset(void *ptr, int value, size_t num);
+
+/**
+ * Memcmp
+ *
+ * ODP version of C library memcmp function. It compares first 'num' bytes of
+ * memory blocks pointed by 'ptr1' and 'ptr2'.
+ *
+ * @param ptr1   Pointer to a memory block
+ * @param ptr2   Pointer to a memory block
+ * @param num    Number of bytes to compare
+ *
+ * @retval 0  when the contents of memory blocks match
+ * @retval <0 when the contents of memory blocks do not match, and
+ *            block 'ptr1' is less than block 'ptr2'
+ * @retval >0 when the contents of memory blocks do not match, and
+ *            block 'ptr1' is greater than block 'ptr2'
+ */
+int odp_memcmp(const void *ptr1, const void *ptr2, size_t num);
+
+/**
+ * Convert fractional number (u64) to double
+ *
+ * Converts value of the unsigned 64 bit fractional number to a double-precision
+ * floating-point value.
+ *
+ * @param fract  Pointer to a fractional number
+ *
+ * @return Value of the fractional number as double
+ */
+double odp_fract_u64_to_dbl(const odp_fract_u64_t *fract);
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#include <odp/visibility_end.h>
+#endif