pub fn wait4(pid: pid_t, status: *i32, flags: u32, usage: ?*rusage) usize
pub fn wait4(pid: pid_t, status: *i32, flags: u32, usage: ?*rusage) usize { return syscall4( .wait4, @as(u32, @bitCast(pid)), @intFromPtr(status), flags, @intFromPtr(usage), ); }