_atold

Syntax

#include <stdlib.h> long double _atold(const char *string);

Description

Convert as much of the string as possible to an equivalent long double precision real number.

This function is almost like _strtold(string, NULL) (see section _strtold).

Return Value

The equivalent value, or zero if the string does not represent a number.

Portability

ANSI/ISO C	No
POSIX	No

Example

main(int argc, char **argv) { long double d = _atold(argv[1]); ...