c and pointer
.............\ch1
.............\ch11
.............\....\alloc.c
.............\....\alloc.h
.............\....\a_client.c
.............\....\invcreat.c
.............\....\invdelet.c
.............\....\inventor.h
.............\....\sort.c
.............\....\strdup.c
.............\ch12
.............\....\dll_ins1.c
.............\....\dll_ins2.c
.............\....\dll_ins3.c
.............\....\dll_ins4.c
.............\....\dll_ins5.c
.............\....\dll_node.h
.............\....\insert1.c
.............\....\insert2.c
.............\....\insert3.c
.............\....\sll_node.h
.............\ch13
.............\....\btoa.c
.............\....\cmd_line.c
.............\....\echo.c
.............\....\mystery.c
.............\....\node.h
.............\....\search.c
.............\ch15
.............\....\char_int.c
.............\....\copyline.c
.............\....\open_cls.c
.............\....\rd_rand.c
.............\....\scanf1.c
.............\....\scanf2.c
.............\....\studinfo.h
.............\ch16
.............\....\bsearch.c
.............\....\qsort.c
.............\....\setjmp.c
.............\....\shuffle.c
.............\....\trans.h
.............\ch17
.............\....\a_queue.c
.............\....\a_stack.c
.............\....\a_tree.c
.............\....\d_stack.c
.............\....\g_client.c
.............\....\g_stack.h
.............\....\l_stack.c
.............\....\l_tree.c
.............\....\queue.h
.............\....\stack.h
.............\....\tree.h
.............\ch18
.............\....\no-ret.c
.............\....\printf.s
.............\....\runtime.c
.............\....\runtime.s
.............\....\sum.s
.............\ch19
.............\....\atoi.c
.............\....\braces.c
.............\....\breadth.c
.............\....\char_cat.c
.............\....\copy_n.c
.............\....\die.c
.............\....\dollars.c
.............\....\fgrep.c
.............\....\hermite.c
.............\....\l_queue.c
.............\....\matmult.c
.............\....\mstrcpe1.c
.............\....\mstrcpe2.c
.............\....\mstrnlen.c
.............\....\mystdarg.h
.............\....\number.c
.............\....\phone1.h
.............\....\phone2.h
.............\....\prog2.c
.............\....\prt_ldgr.c
.............\....\readints.c
.............\....\rearran2.c
.............\....\reverse.c
.............\....\rev_str.c
.............\....\sing_tax.c
.............\....\sll_cnt.c
.............\....\sll_remv.c
.............\....\sqrt.c
.............\....\testrand.c
.............\....\the.c
.............\....\uc_lc.c
.............\....\uc_lc_b.c
.............\...\rearrang.c
.............\ch2
.............\...\mystery.c
.............\ch5
.............\...\bad_exp.c
.............\...\count_1a.c