darwin: adjust syscall suffix for arm64

src/syscall/syscall_libc_darwin_arm64.go

@@ -0,0 +1,28 @@
+//go:build darwin
+// +build darwin
+
+package syscall
+
+import (
+	"unsafe"
+)
+
+// struct DIR * buf fdopendir(int fd);
+//export fdopendir
+func libc_fdopendir(fd int32) unsafe.Pointer
+
+// int readdir_r(struct DIR * buf, struct dirent *entry, struct dirent **result);
+//export readdir_r
+func libc_readdir_r(unsafe.Pointer, unsafe.Pointer, unsafe.Pointer) int32
+
+// int stat(const char *path, struct stat * buf);
+//export stat
+func libc_stat(pathname *byte, ptr unsafe.Pointer) int32
+
+// int fstat(int fd, struct stat * buf);
+//export fstat
+func libc_fstat(fd int32, ptr unsafe.Pointer) int32
+
+// int lstat(const char *path, struct stat * buf);
+//export lstat
+func libc_lstat(pathname *byte, ptr unsafe.Pointer) int32