_nchars() function for each applicable *_chars() function. Below we briefly present the signatures of these functions. For full documentation consult the *_chars() function.

int PL_get_atom_nchars(term_t t, size_t *len, char **s)

See PL_get_atom_chars().

int PL_get_list_nchars(term_t t, size_t *len, char **s)

See PL_get_list_chars().

int PL_get_nchars(term_t t, size_t *len, char **s, unsigned int flags)

See PL_get_chars(). The len pointer may be NULL.

int PL_put_atom_nchars(term_t t, size_t len, const char *s)

See PL_put_atom_chars().

int PL_put_string_nchars(term_t t, size_t len, const char *s)

See PL_put_string_chars().

int PL_put_list_ncodes(term_t t, size_t len, const char *s)

See PL_put_list_codes().

int PL_put_list_nchars(term_t t, size_t len, const char *s)

See PL_put_list_chars().

int PL_unify_atom_nchars(term_t t, size_t len, const char *s)

See PL_unify_atom_chars().

int PL_unify_string_nchars(term_t t, size_t len, const char *s)

See PL_unify_string_chars().

int PL_unify_list_ncodes(term_t t, size_t len, const char *s)

See PL_unify_codes().

int PL_unify_list_nchars(term_t t, size_t len, const char *s)

See PL_unify_list_chars().