- In case of underflow, return a value very near to 0 and set errno to
ERANGE.
- If the string does not start with a number at all, return 0 (and recall
- that if ENDPTR != NULL, *ENDPTR is set to NPTR).
- - In case of other error, return 0 and set errno, for example to EINVAL
- or ENOMEM. */
+ that if ENDPTR != NULL, *ENDPTR is set to NPTR), and maybe set errno to
+ EINVAL.
+ - In case of other error, return 0 and set errno, for example to ENOMEM. */
extern double c_strtod (char const *nptr, char **endptr);
extern long double c_strtold (char const *nptr, char **endptr);