第一章關(guān)鍵字...................................................................................................................................9
1.1,最寬恒大量的關(guān)鍵字----auto..........................................................................................11
1.2,最快的關(guān)鍵字---- register............................................................................................... 11
1.2.1,皇帝身邊的小太監(jiān)----寄存器............................................................................. 11
1.2.2,使用register 修飾符的注意點(diǎn).............................................................................11
1.3,最名不符實(shí)的關(guān)鍵字----static........................................................................................12
1.3.1,修飾變量...............................................................................................................12
1.3.2,修飾函數(shù)...............................................................................................................13
1.4,基本數(shù)據(jù)類型----short、int、long、char、float、double........................................... 13
1.4.1,數(shù)據(jù)類型與“模子”............................................................................................... 14
1.4.2,變量的命名規(guī)則...................................................................................................14
1.5,最冤枉的關(guān)鍵字----sizeof...............................................................................................18
1.5.1,常年被人誤認(rèn)為函數(shù)...........................................................................................18
1.5.2,sizeof(int)*p 表示什么意思?........................................................................18
1.4,signed、unsigned 關(guān)鍵字................................................................................................19
1.6,if、else 組合.................................................................................................................... 20
1.6.1,bool 變量與“零值”進(jìn)行比較...............................................................................20
1.6.2, float 變量與“零值”進(jìn)行比較.................................................................................21
1.6.3,指針變量與“零值”進(jìn)行比較...............................................................................21
1.6.4,else 到底與哪個(gè)if 配對呢?...............................................................................22
1.6.5,if 語句后面的分號............................................................................................... 23
1.6.6,使用if 語句的其他注意事項(xiàng).............................................................................. 24
1.7,switch、case 組合........................................................................................................... 24
1.7.1,不要拿青龍偃月刀去削蘋果.............................................................................. 24
1.7.2,case 關(guān)鍵字后面的值有什么要求嗎?.............................................................. 25
1.7.3,case 語句的排列順序...........................................................................................25
1.7.4,使用case 語句的其他注意事項(xiàng)..........................................................................27
1.8,do、while、for 關(guān)鍵字................................................................................................... 28
1.8.1,break 與continue 的區(qū)別.....................................................................................28
1.8.2,循環(huán)語句的注意點(diǎn)...............................................................................................29
1.9,goto 關(guān)鍵字......................................................................................................................30
1.10,void 關(guān)鍵字....................................................................................................................31
1.10.1,void a?............................................................................................................31
1.10,return 關(guān)鍵字................................................................................................................. 34
1.11,const 關(guān)鍵字也許該被替換為readolny....................................................................... 34
1.11.2,節(jié)省空間,避免不必要的內(nèi)存分配,同時(shí)提高效率.................................... 35
1.12,最易變的關(guān)鍵字----volatile.......................................................................................... 36
1.13,最會(huì)帶帽子的關(guān)鍵字----extern.................................................................................... 37
1.14,struct 關(guān)鍵字..................................................................................................................38
標(biāo)簽:
c語言深度剖析
上傳時(shí)間:
2015-05-01
上傳用戶:cascas