key to continue....."); Р getchar(); Рclrscr(); /*clear screen*/ Рgoto menulab; Рcase 4:/*查找与已知字符相同的第一个结点*/ Рprintf("Input the elem you want to search "); Рscanf("%c",&c);getchar(); РLocateLNode(l,n,c); Рprintf("Press any key to continue....."); Рgetchar(); Рclrscr(); /*clear screen*/ Рgoto menulab; Рcase 5:/*插入已知字符的结点*/ Рprintf("Input the elem you want to insert:"); Рscanf("%c",&s);getchar(); РInsert(l,n,s); Рn=n+1; Рprintf("Press any key to continue....."); Рgetchar(); Рclrscr(); /*clear screen*/ Рgoto menulab; Рcase 6:/*删除第 i 个结点*/ Рprintf("Input which one you want to delete:"); Рscanf("%d",&k); Рif(k<1||k>n)printf("ERROR!"); Рelse{Delete(l,n,k);} Рn=n-1; Рgetchar(); Рclrscr(); /*clear screen*/ Рgoto menulab; Рcase 7:/*计算链表长度*/ РLength(n); Рprintf("Press any key to continue....."); Р 9