man:atof
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 attributes(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 4.16 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)
/data/webs/external/dokuwiki/data/pages/man/atof.txt · Last modified: 2019/05/17 09:32 by 127.0.0.1