1 files changed, 19 insertions, 0 deletions
diff --git a/std/stdlib.c b/std/stdlib.c
new file mode 100644
index 0000000..7e77385
--- /dev/null
+++ b/std/stdlib.c
@@ -0,0 +1,19 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+
+void wait(long long x) {
+    sleep(x);
+}
+
+long long slen(char *str) {
+    return (long long) strlen(str);
+}
+
+char charAt(char *str, long long x) {
+    return str[x];
+}
+
+long long parse_int(char *str) {
+    return (long long) atoi(str);
+}