subproc_read 30 user/testbin/f_test/f_hdr.h void subproc_read(void); subproc_read 221 user/testbin/f_test/f_test.c r1 = forkoff(subproc_read); subproc_read 223 user/testbin/f_test/f_test.c r2 = forkoff(subproc_read);