14 #ifndef INTERROGATE_DATAFILE_H    15 #define INTERROGATE_DATAFILE_H    23 void idf_output_string(std::ostream &out, 
const std::string &str, 
char whitespace = 
' ');
    26 void idf_output_string(std::ostream &out, 
const char *str, 
char whitespace = 
' ');
    29 template<
class Element>
    32 template<
class Element>
 void idf_input_vector(std::istream &in, std::vector< Element > &vec)
Reads the given vector from the input file, as previously written by output_string().
void idf_output_string(std::ostream &out, const std::string &str, char whitespace=' ')
Writes the indicated string to the output file.
void idf_input_string(std::istream &in, std::string &str)
Reads the given string from the input file, as previously written by output_string().
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void idf_output_vector(std::ostream &out, const std::vector< Element > &vec)
Writes the indicated vector to the output file.