Almost matched CInputStream

include/string.h

@@ -0,0 +1,24 @@
+#ifndef _STRING_H_
+#define _STRING_H_
+
+#include "types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void *memcpy(void *dest, const void *src, size_t num);
+void *memset(void *dest, int ch, size_t count);
+
+size_t strlen(const char *s);
+char *strcpy(char *dest, const char *src);
+char *strncpy(char *dest, const char *src, size_t num);
+int strcmp(const char *s1, const char *s2);
+int strncmp(const char *s1, const char *s2, size_t n);
+char *strncat(char *dest, const char *src, size_t n);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif