atof - Man Page

Standard C library (libc, -lc)

#include <stdlib.h>

double atof(const char *nptr);

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.

The converted value.

For an explanation of the terms used in this section, see attributes(7).

C11, POSIX.1-2008.

POSIX.1-2001, C89, C99, SVr4, 4.3BSD.

atoi(3), atol(3), strfromd(3), strtod(3), strtol(3), strtoul(3)

atoi(3), dbfadd(1), lmawk(1), mawk(1), perlapi(1), strfromd(3), strtod(3), strtoi.3bsd(3), strtol(3), strtonum.3bsd(3), strtou.3bsd(3), strtoul(3).