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)

Information

Source
Linux kernel
OS/version
GNU
Source updated
December 12, 2016
Page created
February 9, 2018
Page generated
December 2, 2018