NAME

sep_get_val_headers - get header values


SYNOPSIS

ierr=sep_get_val_headers (tag_history,record_number,n_headers,header_values)


INPUT PARAMETER

char*- tag_history
        tag of History File
int* - record_number
        Header Record Number computed using sep_get_grid_window
int* - n_headers
        number of headers to be retrieved


OUTPUT PARAMETER

void *header_values
        Header values for n_headers


RETURN VALUE

 -1 = if fails for other reasons
 0 = if successful
 +1 = if tag_history is a Sep77 History File
 +2 = if n_headers is too large


DESCRIPTION

   The values of the headers are read from the Header Values File and stored in header_values array.


COMMENTS

   return=sep_get_header_bytes(char *tag_history, int *n_bytes)
   i_byte=(record_number-1)*n_bytes
   sseek into the Header Format File at position i_byte
   sreed n_headers from Header Format File into value


LIBRARY

sep3d