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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).

       ┌────────────────────────────────────────────────────────┬───────────────┬────────────────┐
       │InterfaceAttributeValue          │
       ├────────────────────────────────────────────────────────┼───────────────┼────────────────┤
       │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)