diff --git a/libs/libc/include/stdlib.h b/libs/libc/include/stdlib.h
index cb49672d..25bab5b1 100644
--- a/libs/libc/include/stdlib.h
+++ b/libs/libc/include/stdlib.h
@@ -65,6 +65,15 @@ extern "C"
     /* Seeds the random number generator with the specified seed. */
     void srand(unsigned int seed);
 
+    /* Returns the absolute value of an integer. */
+    int abs(int val);
+
+    /* Returns the absolute value of an integer. */
+    long labs(long val);
+
+    /* Returns the absolute value of an integer. */
+    long long llabs(long long val);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/libs/libc/src/stdlib.cpp b/libs/libc/src/stdlib.cpp
index 9bb532cc..addc8fd9 100644
--- a/libs/libc/src/stdlib.cpp
+++ b/libs/libc/src/stdlib.cpp
@@ -63,4 +63,19 @@ extern "C"
         syscall(SYS_exit, status);
         __lc_unreachable();
     }
+
+    int abs(int val)
+    {
+        return __builtin_abs(val);
+    }
+
+    long labs(long val)
+    {
+        return __builtin_labs(val);
+    }
+
+    long long llabs(long long val)
+    {
+        return __builtin_llabs(val);
+    }
 }
\ No newline at end of file