Initial commit.
diff --git a/inc/std.h b/inc/std.h
new file mode 100644
index 0000000..d2438a2
--- /dev/null
+++ b/inc/std.h
@@ -0,0 +1,52 @@
+#ifndef _STD_H
+#define _STD_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+void *memset(void *s, int c, size_t n);
+void *memcpy(void *dst, const void *src, size_t n);
+void *memmove(void *dst, const void *src, size_t n);
+int memcmp(const void *a, const void *b, size_t n);
+
+size_t strlen(const char *str);
+int strcmp(const char *a, const char *b);
+
+static inline uint16_t ntohs(uint16_t v)
+{
+ return v << 8 | v >> 8;
+}
+
+static inline uint32_t ntohl(uint32_t v)
+{
+ /* TODO: no conversion needed if native is big endian. */
+ return (v << 24) |
+ (v >> 24) |
+ ((v & 0xff00) << 8) |
+ ((v & 0xff0000) >> 8);
+}
+
+static inline uint64_t ntohll(uint64_t v)
+{
+ /* TODO: no conversion needed if native is big endian. */
+ return (v << 56) |
+ (v >> 56) |
+ ((v & 0xff00) << 40) |
+ ((v & 0xff000000000000) >> 40) |
+ ((v & 0xff0000) << 24) |
+ ((v & 0xff0000000000) >> 24) |
+ ((v & 0xff000000) << 8) |
+ ((v & 0xff00000000) >> 8);
+}
+
+static inline uint32_t htonl(uint32_t v)
+{
+ return ntohl(v);
+}
+
+static inline uint64_t htonll(uint64_t v)
+{
+ return ntohll(v);
+}
+
+#endif /* STD_H */