1 files changed, 22 insertions, 0 deletions

diff --git a/lib/stdlib.h b/lib/stdlib.h
new file mode 100644
index 0000000..d14afa3
--- /dev/null
+++ b/lib/stdlib.h
@@ -0,0 +1,22 @@
+#ifndef __LIB_STDLIB_H
+#define __LIB_STDLIB_H
+
+#include <stddef.h>
+
+/* Standard functions. */
+int atoi (const char *);
+void qsort (void *array, size_t cnt, size_t size,
+            int (*compare) (const void *, const void *));
+void *bsearch (const void *key, const void *array, size_t cnt,
+               size_t size, int (*compare) (const void *, const void *));
+
+/* Nonstandard functions. */
+void sort (void *array, size_t cnt, size_t size,
+           int (*compare) (const void *, const void *, void *aux),
+           void *aux);
+void *binary_search (const void *key, const void *array, size_t cnt,
+                     size_t size,
+                     int (*compare) (const void *, const void *, void *aux),
+                     void *aux);
+
+#endif /* lib/stdlib.h */