atof(3) - Linux man page

Name

atof - convert a string to a 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. The behavior is the same as

strtod(nptr, NULL);
except that atof() does not detect errors.

Return Value

The converted value.

Conforming To

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

See Also

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

Referenced By

mawk(1), strtonum(3), strtoull(3)