From 2eba11bb3f22e03b0e9f4fc93a54895f4d71a12e Mon Sep 17 00:00:00 2001
From: Imbus <>
Date: Fri, 5 Sep 2025 23:43:08 +0200
Subject: [PATCH] stdlib: abs, labs, llabs

---
 kern/libkern/stdlib.c | 13 +++++++++++++
 kern/libkern/stdlib.h |  4 ++++
 2 files changed, 17 insertions(+)
 create mode 100644 kern/libkern/stdlib.c

diff --git a/kern/libkern/stdlib.c b/kern/libkern/stdlib.c
new file mode 100644
index 0000000..531df0e
--- /dev/null
+++ b/kern/libkern/stdlib.c
@@ -0,0 +1,13 @@
+#include <stdlib.h>
+
+int abs(int a) {
+    return a > 0 ? a : -a;
+}
+
+long labs(long a) {
+    return a > 0 ? a : -a;
+}
+
+long long llabs(long long a) {
+    return a > 0 ? a : -a;
+}
diff --git a/kern/libkern/stdlib.h b/kern/libkern/stdlib.h
index fde3746..0afdf3a 100644
--- a/kern/libkern/stdlib.h
+++ b/kern/libkern/stdlib.h
@@ -4,4 +4,8 @@
 #define EXIT_SUCCESS 0
 #define EXIT_FAILURE 1
 
+int       abs(int);
+long      labs(long);
+long long llabs(long long);
+
 #endif // STDLIB_H