serial experiment works

[rpikern] / src / libc / string.h

diff --git a/src/libc/string.h b/src/libc/string.h
index 8754f71..4a1812f 100644 (file)
--- a/src/libc/string.h
+++ b/src/libc/string.h
@@ -2,5 +2,8 @@
 #define LIBC_STRING_H_
 
 void *memset(void *ptr, int val, int size);
+void *memcpy(void *dest, void *src, int size);
+
+int strcmp(const char *a, const char *b);
 
 #endif /* LIBC_STRING_H_ */