.fp 5 CW

.de Af

.ds ;G \\*(;G\\f\\$1\\$3\\f\\$2

.if !\\$4 .Af \\$2 \\$1 "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"

..

.de aF

.ie \\$3 .ft \\$1

.el \{\

.ds ;G \&

.nr ;G \\n(.f

.Af "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"

\\*(;G

.ft \\n(;G \}

..

.de L

.aF 5 \\n(.f "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"

..

.de LR

.aF 5 1 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"

..

.de RL

.aF 1 5 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"

..

.de EX \" start example

.ta 1i 2i 3i 4i 5i 6i

.PP

.RS

.PD 0

.ft 5

.nf

..

.de EE \" end example

.fi

.ft

.PD

.RE

.PP

..

.TH STRTON 3

.SH NAME

strton \- convert string to long integer

.SH SYNOPSIS

.L "long strton(char* s, char** e)"

.SH DESCRIPTION

.I strton

converts the nul-terminated string

.I s

to a long integer.

If

.I e

not 0 then

.I *e

is set to point to the first unrecognized character in

.IR s .

Leading spaces in

.I s

are ignored.

.PP

A number is composed of

.IR sign-base-number-suffix .

All but

.I number

are optional.

.I sign

may be \+ or \-.

.I base

may be:

.TP

.B 0x

for hexadecimal;

.TP

.B 0

for octal, or

.TP

.IR nn #

for base

2 \(le

.I nn

\(le 36.

.PP

For bases greater than 10 the additional digits are take from the set

.BR [a-zA-Z] .

The suffix multiplies the converted number and may be:

.TP

.B b

block (512)

.TP

.B g

giga (1024 * 1024 * 1024)

.TP

.B k

kilo (1024)

.TP

.B m

mega (1024 * 1024)

.SH "SEE ALSO"

atoi(3), scanf(3), strtod(3)