HelenOS sources

read_all          195 uspace/lib/pcut/src/os/unix.c 	stderr_size = read_all(link_stderr[0], extra_output_buffer, OUTPUT_BUFFER_SIZE - 1);
read_all          196 uspace/lib/pcut/src/os/unix.c 	read_all(link_stdout[0], extra_output_buffer, OUTPUT_BUFFER_SIZE - 1 - stderr_size);
read_all          134 uspace/lib/pcut/src/os/windows.c 	stderr_size = read_all(test_output_data->pipe_stderr,
read_all          137 uspace/lib/pcut/src/os/windows.c 	read_all(test_output_data->pipe_stdout,
HelenOS homepage, sources at GitHub