—
NAME
atof - convert a string to a double
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
bash
#include <stdlib.h>bash
double atof(const char *\nnptr\n);DESCRIPTION
The atof() function converts the initial portion of the string pointed to by nptr to double. The behavior is the same as
bash
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
C11, POSIX.1-2008.
HISTORY
POSIX.1-2001, C89, C99, SVr4, 4.3BSD.
SEE ALSO
atoi(3), atol(3), strfromd(3), strtod(3), strtol(3), strtoul(3)