.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)