args.level = level; args.source = source; args.args = 1;
args.print_level = print_level; args.print_what = print_what; args.print_args = 1;
print_stack_frame (struct frame_info *fi, int level, int source){  struct print_stack_frame_args args;  args.fi = fi;  args.level = level;  args.source = source;  args.args = 1;  catch_errors (print_stack_frame_stub, (char *) &args, "", RETURN_MASK_ALL);}  