EN JA
ATOF(3)
ATOF(3) Linux Programmer's Manual 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.

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 3.53 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/.
2012-08-03 GNU