1 files changed, 35 insertions, 0 deletions

diff --git a/pintos-progos/lib/string.h b/pintos-progos/lib/string.h
new file mode 100644
index 0000000..1fff82a
--- /dev/null
+++ b/pintos-progos/lib/string.h
@@ -0,0 +1,35 @@
+#ifndef __LIB_STRING_H
+#define __LIB_STRING_H
+
+#include <stddef.h>
+
+/* Standard. */
+void *memcpy (void *, const void *, size_t);
+void *memmove (void *, const void *, size_t);
+char *strncat (char *, const char *, size_t);
+int memcmp (const void *, const void *, size_t);
+int strcmp (const char *, const char *);
+void *memchr (const void *, int, size_t);
+char *strchr (const char *, int);
+size_t strcspn (const char *, const char *);
+char *strpbrk (const char *, const char *);
+char *strrchr (const char *, int);
+size_t strspn (const char *, const char *);
+char *strstr (const char *, const char *);
+void *memset (void *, int, size_t);
+size_t strlen (const char *);
+
+/* Extensions. */
+size_t strlcpy (char *, const char *, size_t);
+size_t strlcat (char *, const char *, size_t);
+char *strtok_r (char *, const char *, char **);
+size_t strnlen (const char *, size_t);
+
+/* Try to be helpful. */
+#define strcpy dont_use_strcpy_use_strlcpy
+#define strncpy dont_use_strncpy_use_strlcpy
+#define strcat dont_use_strcat_use_strlcat
+#define strncat dont_use_strncat_use_strlcat
+#define strtok dont_use_strtok_use_strtok_r
+
+#endif /* lib/string.h */