feat: initial booting kernel, copy libc stuff from myke

yak-kernel/include/stdlib.h

@@ -0,0 +1,37 @@
+//
+// Created by rick on 10-03-21.
+//
+
+#ifndef NEW_KERNEL_STDLIB_H
+#define NEW_KERNEL_STDLIB_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+void __attribute__((__noreturn__)) abort();
+
+int atexit(void (*)(void));
+
+int atoi(const char *);
+
+char *itoa(uint32_t value, char *buffer, int base);
+
+char *getenv(const char *);
+
+int abs(int val);
+
+long labs(long val);
+
+long long llabs(long long val);
+
+void qsort(void *base, size_t num, size_t size, int (*compar)(const void *, const void *));
+
+long strtol(const char *nptr, char **endptr, int base);
+
+void *malloc(size_t size);
+void free(void *ptr);
+void *calloc(size_t nmemb, size_t size);
+void *realloc(void *ptr, size_t size);
+void *reallocarray(void *ptr, size_t nmemb, size_t size);
+
+#endif //NEW_KERNEL_STDLIB_H