#include "libc/nt/ntdllimport.h" .ntimp RtlLockHeap,RtlLockHeap #ifdef __x86_64__ .text.windows RtlLockHeap: push %rbp mov %rsp,%rbp .profilable mov %rdi,%rcx sub $32,%rsp call *__imp_RtlLockHeap(%rip) leave ret .endfn RtlLockHeap,globl .previous #endif