pub fn mremap(old_addr: ?[*]const u8, old_len: usize, new_len: usize, flags: MREMAP, new_addr: ?[*]const u8) usize
pub fn mremap(old_addr: ?[*]const u8, old_len: usize, new_len: usize, flags: MREMAP, new_addr: ?[*]const u8) usize { return syscall5( .mremap, @intFromPtr(old_addr), old_len, new_len, @as(u32, @bitCast(flags)), @intFromPtr(new_addr), ); }