atof
Section: C Library Functions (3)
Updated: 2022-12-29
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NAME
atof - convert a string to a double
LIBRARY
Standard C library
(libc, -lc)
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
|
STANDARDS
POSIX.1-2001, POSIX.1-2008, C99, SVr4, 4.3BSD.
SEE ALSO
atoi(3),
atol(3),
strfromd(3),
strtod(3),
strtol(3),
strtoul(3)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ATTRIBUTES
-
- STANDARDS
-
- SEE ALSO
-
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