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 5.04 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/.
Referenced By
atoi(3), dbfadd(1), lmawk(1), mawk(1), strfromd(3), strtod(3), strtoi.3bsd(3), strtol(3), strtonum.3bsd(3), strtou.3bsd(3), strtoul(3).