ATOF(3)                   OpenBSD Programmer's Manual                  ATOF(3)

NAME
     atof - convert ASCII string to 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 representation.

     It is equivalent to:

           strtod(nptr, (char **)NULL);

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

STANDARDS
     The atof() function conforms to ANSI X3.159-1989 (``ANSI C'').

OpenBSD 4.9                      May 31, 2007                      OpenBSD 4.9