return
	}
	m2 := re.FindStringSubmatch(string(buf2))
	if m2 == nil {
		println("BUG: cannot find main.main in second trace")
		return
	}

	n1, _ := strconv.Atoi(m1[1])
	n2, _ := strconv.Atoi(m2[1])
	if n1+1 != n2 {
		println("BUG: expect runtime.Stack on back to back lines, have", n1, n2)
		println(string(buf1))
		println(string(buf2))
	}

			p = i + 1
			nf++
		}
	}
	f[nf] = buf[p:]
	nf++

	if nf != len(f) {
		return syscall.ErrorString("invalid wait message")
	}
	w.Pid = int(atoi(f[0]))
	w.Time[0] = uint32(atoi(f[1]))
	w.Time[1] = uint32(atoi(f[2]))
	w.Time[2] = uint32(atoi(f[3]))
	w.Msg = cstring(f[4])
	if w.Msg == "''" {
		// await() returns '' for no error
		w.Msg = ""
	}
	return
}

	Uid               uint32
	Gid               uint32
	Rdev              uint64
	X__pad1           uint64
	Size              int64
	Blksize           int32
	X__pad2           int32
	Blocks            int64
	Atim              Timespec
	Mtim              Timespec
	Ctim              Timespec
	X__glibc_reserved [2]int32
}

type Statfs_t struct {
	Type    int64
	Bsize   int64
	Blocks  uint64
	Bfree   uint64

	}
	cfg.IOCount, err = strconv.Atoi(env.Get(EnvIOCount, kvs.GetWithDefault(IOCount, DefaultKVS)))
	if err != nil {
		return cfg, fmt.Errorf("'heal:max_io' value invalid: %w", err)
	}
	if ws := env.Get(EnvDriveWorkers, kvs.GetWithDefault(DriveWorkers, DefaultKVS)); ws != "" {
		w, err := strconv.Atoi(ws)
		if err != nil {

}

// In order to only have Timespec structure, type of Stat_t's fields
// Atim, Mtim and Ctim is changed from StTimespec to Timespec during
// ztypes generation.
// On ppc64, Timespec.Nsec is an int64 while StTimespec.Nsec is an
// int32, so the fields' value must be modified.
func fixStatTimFields(stat *Stat_t) {
	stat.Atim.Nsec >>= 32
	stat.Mtim.Nsec >>= 32
	stat.Ctim.Nsec >>= 32
}

	"io"
	"os"
	"strconv"
)

func listGroupsFromReader(u *User, r io.Reader) ([]string, error) {
	if u.Username == "" {
		return nil, errors.New("user: list groups: empty username")
	}
	primaryGid, err := strconv.Atoi(u.Gid)
	if err != nil {
		return nil, fmt.Errorf("user: list groups for %s: invalid gid %q", u.Username, u.Gid)
	}

	userCommas := []byte("," + u.Username + ",")  // ,john,

// Package strconv implements conversions to and from string representations
// of basic data types.
//
// # Numeric Conversions
//
// The most common numeric conversions are [Atoi] (string to int) and [Itoa] (int to string).
//
//	i, err := strconv.Atoi("-42")
//	s := strconv.Itoa(-42)
//
// These assume decimal and the Go int type.
//
// [ParseBool], [ParseFloat], [ParseInt], and [ParseUint] convert strings to values:
//

			p = i + 1
			nf++
		}
	}
	f[nf] = buf[p:]
	nf++

	if nf != len(f) {
		return NewError("invalid wait message")
	}
	w.Pid = int(atoi(f[0]))
	w.Time[0] = uint32(atoi(f[1]))
	w.Time[1] = uint32(atoi(f[2]))
	w.Time[2] = uint32(atoi(f[3]))
	w.Msg = cstring(f[4])
	if w.Msg == "''" {
		// await() returns '' for no error
		w.Msg = ""
	}
	return
}

	Uid               uint32
	Gid               uint32
	Rdev              uint64
	X__pad1           uint64
	Size              int64
	Blksize           int32
	X__pad2           int32
	Blocks            int64
	Atim              Timespec
	Mtim              Timespec
	Ctim              Timespec
	X__glibc_reserved [2]int32
}

type statxTimestamp struct {
	Sec         int64
	Nsec        uint32
	X__reserved int32

type Stat_t struct {
	Dev     uint32
	Pad1    [3]int32
	Ino     uint64
	Mode    uint32
	Nlink   uint32
	Uid     uint32
	Gid     uint32
	Rdev    uint32
	Pad2    [3]uint32
	Size    int64
	Atim    Timespec
	Mtim    Timespec
	Ctim    Timespec
	Blksize uint32
	Pad4    uint32
	Blocks  int64
}

type Statfs_t struct {
	Type    int64
	Bsize   int64
	Frsize  int64
	Blocks  uint64