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Command: atof | Section: 3 | Source: OpenBSD | File: atof.3
ATOF(3) FreeBSD Library Functions 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 C89").
HISTORY
An atof() function first appeared in Version 1 AT&T UNIX.
CAVEATS
On systems other than OpenBSD, the LC_NUMERIC locale(1) category can
cause parsing failures; see CAVEATS in setlocale(3) for details.
FreeBSD 14.1-RELEASE-p8 September 11, 2022 FreeBSD 14.1-RELEASE-p8