pub fn pidfd_getfd(pidfd: fd_t, targetfd: fd_t, flags: u32) usize
pub fn pidfd_getfd(pidfd: fd_t, targetfd: fd_t, flags: u32) usize { return syscall3( .pidfd_getfd, @as(u32, @bitCast(pidfd)), @as(u32, @bitCast(targetfd)), flags, ); }