+char **sam_header2tbl_n(const void *dict, const char type[2], const char *tags[], int *n)
+{
+ int nout = 0;
+ char **out = NULL;
+
+ *n = 0;
+ list_t *l = (list_t *)dict;
+ if ( !l ) return NULL;
+
+ int i, ntags = 0;
+ while ( tags[ntags] ) ntags++;
+
+ while (l)
+ {
+ HeaderLine *hline = l->data;
+ if ( hline->type[0]!=type[0] || hline->type[1]!=type[1] )
+ {
+ l = l->next;
+ continue;
+ }
+ out = (char**) realloc(out, sizeof(char*)*(nout+1)*ntags);
+ for (i=0; i<ntags; i++)
+ {
+ HeaderTag *key = header_line_has_tag(hline, tags[i]);
+ if ( !key )
+ {
+ out[nout*ntags+i] = NULL;
+ continue;
+ }
+ out[nout*ntags+i] = key->value;
+ }
+ nout++;
+ l = l->next;
+ }
+ *n = nout;
+ return out;
+}