ATOF(3) | Library Functions Manual | ATOF(3)

# NAME

`atof` —
convert ASCII string to 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 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”).

June 4, 1993 | NetBSD 9.2