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, (char **) NULL);

except that atof() does not detect errors.

RETURN VALUE

The converted value.

CONFORMING TO

SVr4, POSIX.1-2001, 4.3BSD, C89, C99.

SEE ALSO

atoi(3), atol(3), strtod(3), strtol(3), strtoul(3)

COLOPHON

This page is part of release 3.21 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.