c語言函數(shù)庫詳解(收藏版)

1、c語言函數(shù)庫目錄目錄第一章（C標(biāo)準(zhǔn)庫）.............................................................................................41.：診斷................................................................................................42.：字符

2、類別測試.................................................................................53.：錯誤處理.........................................................................................54.：整型常量..............................

3、..........................................................65.：地域環(huán)境........................................................................................66.：數(shù)學(xué)函數(shù)..........................................................

4、...............................77.：非局部跳轉(zhuǎn)...................................................................................88.：信號...........................................................................................

5、.....99.：可變參數(shù)表.................................................................................1110.：公共定義...................................................................................1111.：輸入輸出......................

6、...............................................................1212.：實(shí)用函數(shù)....................................................................................1313.：日期與時間函數(shù)..................................................

7、........................13第二章（IO函數(shù)）.....................................................................................................14clearerr：復(fù)位錯誤標(biāo)志函數(shù).................................................................

8、.....................15feof：檢測文件結(jié)束符函數(shù).......................................................................................16ferr：檢測流上的錯誤函數(shù)................................................................................

9、.....17fflush：清除文件緩沖區(qū)函數(shù)....................................................................................18fgetc：從流中讀取字符函數(shù)......................................................................................19fgetpos：

10、取得當(dāng)前文件的句柄函數(shù)..........................................................................20fgets：從流中讀取字符串函數(shù)..................................................................................21fopen、fclose：文件的打開與關(guān)閉函數(shù)..........

11、.........................................................22fprintf：格式化輸出函數(shù)............................................................................................23fputc：向流中輸出字符函數(shù).....................................

12、.................................................25fputs：向流中輸出字符串函數(shù)..................................................................................25fread：從流中讀取字符串函數(shù).....................................................

13、.............................26freopen：替換文件中數(shù)據(jù)流函數(shù)..............................................................................27fscanf：格式化輸入函數(shù).............................................................................

14、...............28fseek：文件指針定位函數(shù).........................................................................................29fsetpos：定位流上的文件指針函數(shù)..........................................................................30fte

15、ll：返回當(dāng)前文件指針位置函數(shù)...........................................................................31fwrite：向文件寫入數(shù)據(jù)函數(shù)....................................................................................31getc：從流中讀取字符函數(shù)............

16、...........................................................................32get：從標(biāo)準(zhǔn)輸入文件中讀取字符函數(shù)..............................................................33gets：從標(biāo)準(zhǔn)輸入文件中讀取字符串函數(shù).........................................

17、......................34perr：打印系統(tǒng)錯誤信息函數(shù)................................................................................35printf：產(chǎn)生格式化輸出的函數(shù).................................................................................3

18、5putc：向指定流中輸出字符函數(shù)...............................................................................36put：向標(biāo)準(zhǔn)輸出文件上輸出字符......................................................................37strlwr：字符串小寫轉(zhuǎn)換函數(shù)..................

19、..................................................................72strncat：字符串連接函數(shù)...........................................................................................73strncmp：字符串子串比較函數(shù)...........................

20、......................................................74strncpy：字符串子串拷貝函數(shù)..................................................................................75strpbrk：字符集字符匹配函數(shù)..............................................

21、....................................76strrchr：字符串中字符末次匹配函數(shù).......................................................................77strrev：字符串倒轉(zhuǎn)函數(shù)...........................................................................

22、..................78strset：字符串設(shè)定函數(shù).............................................................................................79strspn：字符集匹配函數(shù).............................................................................

23、...............79strstr：字符串匹配函數(shù)..............................................................................................80strtod：字符串轉(zhuǎn)換成雙精度函數(shù)...........................................................................

24、..81strtok：字符串分隔函數(shù).............................................................................................82strtol：字符串轉(zhuǎn)換成長整型函數(shù)..............................................................................83strtoul：字

25、符串轉(zhuǎn)換成無符號長整型函數(shù)................................................................85strupr：字符串大寫轉(zhuǎn)換函數(shù)....................................................................................86strupr：字符串大寫轉(zhuǎn)換函數(shù).......................

26、.............................................................86第五章（數(shù)學(xué)函數(shù)）...........................................................................................87abs、labs、fabs：求絕對值函數(shù)...................................

27、............................................88acos：反余弦函數(shù).....................................................................................................89asin：反正弦函數(shù)...................................................

28、..................................................89atan：反正切函數(shù).......................................................................................................90atan2：反正切函數(shù)2.........................................

29、.........................................................90ceil：向上舍入函數(shù)....................................................................................................91cos：余弦函數(shù)........................................

30、..................................................................91cosh：雙曲余弦函數(shù)................................................................................................92div、ldiv：除法函數(shù)..............................

31、....................................................................92exp：求e的x次冪函數(shù)............................................................................................93flo：向下舍入函數(shù)..................................

32、................................................................94fmod：求模函數(shù).........................................................................................................95frexp：分解浮點(diǎn)數(shù)函數(shù).........................

33、....................................................................95hypot：求直角三角形斜邊長函數(shù).............................................................................96ldexp：裝載浮點(diǎn)數(shù)函數(shù).........................................

34、....................................................96log、log10：對數(shù)函數(shù)................................................................................................97modf：分解雙精度數(shù)函數(shù).........................................

35、................................................98pow、pow10：指數(shù)函數(shù)............................................................................................98r：產(chǎn)生隨機(jī)整數(shù)函數(shù)....................................................

36、.......................................99sin：正弦函數(shù).............................................................................................................99sinh：雙曲正弦函數(shù).................................................

37、..............................................100sqrt：開平方函數(shù)......................................................................................................100sr：設(shè)置隨機(jī)時間的種子函數(shù)..........................................

38、.................................101tan：正切函數(shù).........................................................................................................102tanh：雙曲正切函數(shù).........................................................

39、........................................102第六章（時間和日期函數(shù)）.............................................................................103time：日期和時間轉(zhuǎn)換函數(shù).......................................................................