LibC: Add some new functions

libc/Makefile

@@ -15,8 +15,8 @@ LIBDIR?=$(EXEC_PREFIX)/lib
  
 CFLAGS:=$(CFLAGS) -D__is_libc -Iinclude -ffreestanding -Wall -Wextra
 CPPFLAGS:=$(CPPFLAGS)
-LIBK_CFLAGS:=$(CFLAGS)
-LIBK_CPPFLAGS:=$(CPPFLAGS) -D__is_libk
+LIBK_CFLAGS:=$(CFLAGS) -D__is_libk
+LIBK_CPPFLAGS:=$(CPPFLAGS)
  
 ARCHDIR=arch/$(HOSTARCH)
  

libc/include/assert.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <stdlib.h>
+
+#define assert(expr) { if (!(expr)) abort(); }

libc/include/sys/param.h

@@ -0,0 +1,4 @@
+#pragma once
+
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MAX(a, b) ((a) > (b) ? (a) : (b))