1、 C Chapter 23.2Chapter 23-1.typedef C typedef typedef int INT;int INT .INT num;INT*ptr;int num;int*ptr;typedef !typedef point struct point Point typedef !point Point typedef typedef point typedef person Person typedef !typedef Person,persons .Chapter 23-2.C return 1ShowPosition curPos .cen .Call-by-
2、reference Call-by-reference Call-by-reference.1 !2 .Point Point Chapter 23-3.C .!.Chapter 23-4.(Union Type)C vs.:struct,union !vs.:!vs.:mem1 .1:2:Chapter 23-5.(Enumerated Type)C syllable “syllable ”syllable Do 1 .syllable syllable enum syllable tone;/syllable tone typedef enum .Do,Re,Mi,Fa.typedef .0 1.1.enum Do=1,Re=2,Mi=3,Fa=4,So=5,La=6,Ti=7;typedef enum syllable Do=1,Re=2,Mi=3,Fa=4,So=5,La=6,Ti=7 Syllable;Syllable !typedef .Chapter 23.?