Figure 1: Output from running gcov.
(a) gcov -o file_io/unix/.libs/ file_io/unix/copy.c 68.18% of 44 lines executed in file file_io/unix/copy.c Creating copy.c.gcov. (b) gcov -f -o file_io/unix/.libs file_io/unix/copy.c 65.00% of 40 lines executed in function apr_file_transfer_contents 100.00% of 2 lines executed in function apr_file_copy 100.00% of 2 lines executed in function apr_file_append 68.18% of 44 lines executed in file file_io/unix/copy.c Creating copy.c.gcov.