pub fn waitid(id_type: P, id: pid_t, infop: *siginfo_t, flags: u32, usage: ?*rusage) usize
pub fn waitid(id_type: P, id: pid_t, infop: *siginfo_t, flags: u32, usage: ?*rusage) usize { return syscall5( .waitid, @backingInt(id_type), @as(u32, @bitCast(id)), @intFromPtr(infop), flags, @intFromPtr(usage), ); }