.TH hdf_get_valuevf 3 "12 July 2007" "ClearSilver" "util/neo_hdf.h" .de Ss .sp .ft CW .nf .. .de Se .fi .ft P .sp .. .SH NAME hdf_get_valuevf - Return the value of a node in the data set .SH SYNOPSIS .Ss #include .Se .Ss char* hdf_get_valuevf (HDF *hdf, const char *namefmt, va_list ap); .Se .SH ARGUMENTS hdf -> the dataset node to start from .br namefmt -> the format string .br ap -> va_list of varargs .SH DESCRIPTION hdf_get_valuevf walks the data set pointed to by hdf via namefmt printf expanded with varargs ap, and returns the string value located there, or NULL if it doesn't exist. This differs from hdf_get_value in that there is no default value possible. .SH "RETURN VALUE" None .SH "SEE ALSO" .BR hdf_set_symlink "(3), "hdf_get_valuef "(3), "compareFunc) "(3), "hdf_dump_str "(3), "hdf_get_int_value "(3), "hdf_read_string_ignore "(3), "hdf_copy "(3), "hdf_get_node "(3), "hdf_set_value "(3), "hdf_obj_child "(3), "hdf_read_string "(3), "hdf_set_buf "(3), "hdf_register_fileload "(3), "hdf_get_obj "(3), "hdf_get_attr "(3), "hdf_obj_top "(3), "hdf_dump_format "(3), "hdf_destroy "(3), "hdf_init "(3), "hdf_obj_value "(3), "hdf_write_string "(3), "hdf_set_valuevf "(3), "hdf_sort_obj "(3), "hdf_write_file_atomic "(3), "hdf_obj_attr "(3), "hdf_set_valuef "(3), "hdf_get_copy "(3), "hdf_write_file "(3), "hdf_get_valuevf "(3), "hdf_set_int_value "(3), "hdf_dump "(3), "hdf_get_value "(3), "hdf_set_copy "(3), "hdf_obj_next "(3), "hdf_search_path "(3), "hdf_obj_name "(3), "hdf_set_attr "(3), "hdf_get_child "(3), "hdf_remove_tree