ATOF(3) Linux Programmer's Manual ATOF(3)
NAME
atof - convert a string to a double
SYNOPSIS
#include <stdlib.h>
double atof(const char *nptr);
DESCRIPTION
The atof() function converts the initial portion of the string pointed
to by nptr to double. The behavior is the same as
strtod(nptr, NULL);
except that atof() does not detect errors.
RETURN VALUE
The converted value.
ATTRIBUTES
For an explanation of the terms used in this section, see at-
tributes(7).
+----------+---------------+----------------+
|Interface | Attribute | Value |
+----------+---------------+----------------+
|atof() | Thread safety | MT-Safe locale |
+----------+---------------+----------------+
CONFORMING TO
POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD.
SEE ALSO
atoi(3), atol(3), strfromd(3), strtod(3), strtol(3), strtoul(3)
COLOPHON
This page is part of release 5.07 of the Linux man-pages project. A
description of the project, information about reporting bugs, and the
latest version of this page, can be found at
https://www.kernel.org/doc/man-pages/.
GNU 2016-12-12 ATOF(3)