__NR_mremap
__SYSCALL(__NR_mremap, sys_mremap)
return (void *)(unsigned long)__nolibc_syscall5(__NR_mremap, old_address, old_size,
__SYSCALL(__NR_mremap, sys_mremap)
sret = (void *) syscall(__NR_mremap, addr, old_len, new_len, flags, new_addr);
return (void *)syscall(__NR_mremap, (unsigned long)old_address,