1 .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
3 .\" %%%LICENSE_START(VERBATIM)
4 .\" Permission is granted to make and distribute verbatim copies of this
5 .\" manual provided the copyright notice and this permission notice are
6 .\" preserved on all copies.
8 .\" Permission is granted to copy and distribute modified versions of this
9 .\" manual under the conditions for verbatim copying, provided that the
10 .\" entire resulting derived work is distributed under the terms of a
11 .\" permission notice identical to this one.
13 .\" Since the Linux kernel and libraries are constantly changing, this
14 .\" manual page may be incorrect or out-of-date. The author(s) assume no
15 .\" responsibility for errors or omissions, or for damages resulting from
16 .\" the use of the information contained herein. The author(s) may not
17 .\" have taken the same level of care in the production of this manual,
18 .\" which is licensed free of charge, as they might when working
21 .\" Formatted or processed versions of this manual, if unaccompanied by
22 .\" the source, must acknowledge the copyright and authors of this work.
25 .\" References consulted:
26 .\" Linux libc source code
27 .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
29 .\" Modified Mon Mar 29 22:39:24 1993, David Metcalfe
30 .\" Modified Sat Jul 24 21:39:22 1993, Rik Faith (faith@cs.unc.edu)
31 .TH ATOF 3 2014-01-22 "GNU" "Linux Programmer's Manual"
33 atof \- convert a string to a double
36 .B #include <stdlib.h>
38 .BI "double atof(const char *" nptr );
43 function converts the initial portion of the string
44 pointed to by \fInptr\fP to
46 The behavior is the same as
54 does not detect errors.
58 .SS Multithreading (see pthreads(7))
61 function is thread-safe with exceptions.
62 It can be safely used in multithreaded applications, as long as
64 is not called to change the locale during its execution.
66 SVr4, POSIX.1-2001, 4.3BSD, C89, C99.
74 This page is part of release 3.67 of the Linux
77 A description of the project,
78 information about reporting bugs,
79 and the latest version of this page,
81 \%http://www.kernel.org/doc/man\-pages/.