c语言函数g

拘赙将砰横咦笥却函数名GCVT功能把浮点数转换成字符串用法CHARGCVTDOUBLEVALUE,INTNDIGIT,CHARBUF程序例INCLUDEINCLUDEINTMAINVOIDCHARSTR25DOUBLENUMINTSIG5/SIGNIFICANTDIGITS/AREGULARNUMBER/NUM9876GCVTNUM,SIG,STRPRINTF“STRINGSN“,STR/ANEGATIVENUMBER/NUM1234567GCVTNUM,SIG,STRPRINTF“STRINGSN“,STR/SCIENTIFICNOTATION/NUM0678E5GCVTNUM,SIG,STRPRINTF“STRINGSN“,STRRETURN0函数名GENINTERRUPT功能产生一个软中断用法VOIDGENINTERRUPTINTINTR_NUM程序例INCLUDEINCLUDE/FUNCTIONPROTOTYPE/VOIDWRITECHARCHARCHINTMAINVOIDCLRSCRGOTOXY80,25WRITECHARGETCHRETURN0/OUTPUTSACHARACTERATTHECURRENTCURSORPOSITIONUSINGTHEVIDEOBIOSTOAVOIDTHESCROLLINGOFTHESCREENWHENWRITINGTOLOCATION80,25/VOIDWRITECHARCHARCHSTRUCTTEXT_INFOTI/GRABCURRENTTEXTSETTINGS/GETTEXTINFO/INTERRUPT0X10SUBFUNCTION9/_AH9/CHARACTERTOBEOUTPUT/_ALCH_BH0/VIDEOPAGE/_BLTIATTRIBUTE/VIDEOATTRIBUTE/_CX1/REPETITIONFACTOR/GENINTERRUPT0X10/OUTPUTTHECHAR/函数名GETARCCOORDS功能取得最后一次调用ARC的坐标用法VOIDFARGETARCCOORDSSTRUCTARCCOORDSTYPEFARARCCOORDS程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODESTRUCTARCCOORDSTYPEARCINFOINTMIDX,MIDYINTSTANGLE45,ENDANGLE270CHARSSTR80,ESTR80/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULT/ANERROROCCURRED/IFERRORCODEGROKPRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCH/TERMINATEWITHANERRORCODE/EXIT1MIDXGETMAXX/2MIDYGETMAXY/2/DRAWARCANDGETCOORDINATES/SETCOLORGETMAXCOLORARCMIDX,MIDY,STANGLE,ENDANGLE,100GETARCCOORDS/CONVERTARCINFORMATIONINTOSTRINGS/SPRINTFSSTR,“D,D“,ARCINFOXSTART,ARCINFOYSTARTSPRINTFESTR,“D,D“,ARCINFOXEND,ARCINFOYEND/OUTPUTTHEARCINFORMATION/OUTTEXTXYARCINFOXSTART,ARCINFOYSTART,SSTROUTTEXTXYARCINFOXEND,ARCINFOYEND,ESTR/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETASPECTRATIO功能返回当前图形模式的纵横比用法VOIDFARGETASPECTRATIOINTFARXASP,INTFARYASP程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTXASP,YASP,MIDX,MIDY/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULT/ANERROROCCURRED/IFERRORCODEGROKPRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCH/TERMINATEWITHANERRORCODE/EXIT1MIDXGETMAXX/2MIDYGETMAXY/2SETCOLORGETMAXCOLOR/GETCURRENTASPECTRATIOSETTINGS/GETASPECTRATIO/DRAWNORMALCIRCLE/CIRCLEMIDX,MIDY,100GETCH/DRAWWIDECIRCLE/CLEARDEVICESETASPECTRATIOXASP/2,YASPCIRCLEMIDX,MIDY,100GETCH/DRAWNARROWCIRCLE/CLEARDEVICESETASPECTRATIOXASP,YASP/2CIRCLEMIDX,MIDY,100/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETBKCOLOR功能返回当前背景颜色用法INTFARGETBKCOLORVOID程序例INCLUDEINCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTBKCOLOR,MIDX,MIDYCHARBKNAME35/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULT/ANERROROCCURRED/IFERRORCODEGROKPRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCH/TERMINATEWITHANERRORCODE/EXIT1MIDXGETMAXX/2MIDYGETMAXY/2SETCOLORGETMAXCOLOR/FORCENTERINGTEXTONTHEDISPLAY/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXT/GETTHECURRENTBACKGROUNDCOLOR/BKCOLORGETBKCOLOR/CONVERTCOLORVALUEINTOASTRING/ITOABKCOLOR,BKNAME,10STRCATBKNAME,“ISTHECURRENTBACKGROUNDCOLOR“/DISPLAYAMESSAGE/OUTTEXTXYMIDX,MIDY,BKNAME/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETC功能从流中取字符用法INTGETCFILESTREAM程序例INCLUDEINTMAINVOIDCHARCHPRINTF“INPUTACHARACTER“/READACHARACTERFROMTHESTANDARDINPUTSTREAM/CHGETCSTDINPRINTF“THECHARACTERINPUTWASCN“,CHRETURN0函数名GETCBRK功能获取CONTROL_BREAK设置用法INTGETCBRKVOID程序例INCLUDEINCLUDEINTMAINVOIDIFGETCBRKPRINTF“CNTRLBRKFLAGISONN“ELSEPRINTF“CNTRLBRKFLAGISOFFN“RETURN0函数名GETCH功能从控制台无回显地取一个字符用法INTGETCHVOID程序例INCLUDEINCLUDEINTMAINVOIDCHARCHPRINTF“INPUTACHARACTER“CHGETCHEPRINTF“NYOUINPUTACN“,CHRETURN0函数名GETCHAR功能从STDIN流中读字符用法INTGETCHARVOID程序例INCLUDEINTMAINVOIDINTC/NOTETHATGETCHARREADSFROMSTDINANDISLINEBUFFEREDTHISMEANSITWILLNOTRETURNUNTILYOUPRESSENTER/WHILECGETCHARNPRINTF“C“,CRETURN0函数名GETCHE功能从控制台取字符带回显用法INTGETCHEVOID程序例INCLUDEINCLUDEINTMAINVOIDCHARCHPRINTF“INPUTACHARACTER“CHGETCHEPRINTF“NYOUINPUTACN“,CHRETURN0函数名GETCOLOR功能返回当前画线颜色用法INTFARGETCOLORVOID程序例INCLUDEINCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTCOLOR,MIDX,MIDYCHARCOLNAME35/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULT/ANERROROCCURRED/IFERRORCODEGROKPRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCH/TERMINATEWITHANERRORCODE/EXIT1MIDXGETMAXX/2MIDYGETMAXY/2SETCOLORGETMAXCOLOR/FORCENTERINGTEXTONTHEDISPLAY/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXT/GETTHECURRENTDRAWINGCOLOR/COLORGETCOLOR/CONVERTCOLORVALUEINTOASTRING/ITOACOLOR,COLNAME,10STRCATCOLNAME,“ISTHECURRENTDRAWINGCOLOR“/DISPLAYAMESSAGE/OUTTEXTXYMIDX,MIDY,COLNAME/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETCURDIR功能取指定驱动器的当前目录用法INTGETCURDIRINTDRIVE,CHARDIREC程序例INCLUDEINCLUDEINCLUDECHARCURRENT_DIRECTORYCHARPATHSTRCPYPATH,“X“/FILLSTRINGWITHFORMOFRESPONSEX/PATH0AGETDISK/REPLACEXWITHCURRENTDRIVELETTER/GETCURDIR0,PATH3/FILLRESTOFSTRINGWITHCURRENTDIRECTORY/RETURNPATHINTMAINVOIDCHARCURDIRMAXPATHCURRENT_DIRECTORYCURDIRPRINTF“THECURRENTDIRECTORYISSN“,CURDIRRETURN0函数名GETCWD功能取当前工作目录用法CHARGETCWDCHARBUF,INTN程序例INCLUDEINCLUDEINTMAINVOIDCHARBUFFERMAXPATHGETCWDBUFFER,MAXPATHPRINTF“THECURRENTDIRECTORYISSN“,BUFFERRETURN0函数名GETDATE功能取DOS日期用法VOIDGETDATESTRUCTDATEBLK程序例INCLUDEINCLUDEINTMAINVOIDSTRUCTDATEDGETDATEPRINTF“THECURRENTYEARISDN“,DDA_YEARPRINTF“THECURRENTDAYISDN“,DDA_DAYPRINTF“THECURRENTMONTHISDN“,DDA_MONRETURN0函数名GETDEFAULTPALETTE功能返回调色板定义结构用法STRUCTPALETTETYPEFARGETDEFAULTPALETTEVOID程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTI/STRUCTUREFORRETURNINGPALETTECOPY/STRUCTPALETTETYPEFARPALVOID0/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULT/ANERROROCCURRED/IFERRORCODEGROKPRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCH/TERMINATEWITHANERRORCODE/EXIT1SETCOLORGETMAXCOLOR/RETURNAPOINTERTOTHEDEFAULTPALETTE/PALGETDEFAULTPALETTEFORI0ICOLORSIGETCH/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETDISK功能取当前磁盘驱动器号用法INTGETDISKVOID程序例INCLUDEINCLUDEINTMAINVOIDINTDISKDISKGETDISKAPRINTF“THECURRENTDRIVEISCN“,DISKRETURN0函数名GETDRIVERNAME功能返回指向包含当前图形驱动程序名字的字符串指针用法CHARGETDRIVENAMEVOID程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODE/STORESTHEDEVICEDRIVERNAME/CHARDRIVERNAME/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULT/ANERROROCCURRED/IFERRORCODEGROKPRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCH/TERMINATEWITHANERRORCODE/EXIT1SETCOLORGETMAXCOLOR/GETNAMEOFTHEDEVICEDRIVERINUSE/DRIVERNAMEGETDRIVERNAME/FORCENTERINGTEXTONTHESCREEN/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXT/OUTPUTTHENAMEOFTHEDRIVER/OUTTEXTXYGETMAXX/2,GETMAXY/2,DRIVERNAME/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETDTA功能取磁盘传输地址用法CHARFARGETDTAVOID程序例INCLUDEINCLUDEINTMAINVOIDCHARFARDTADTAGETDTAPRINTF“THECURRENTDISKTRANSFERADDRESSISFPN“,DTARETURN0函数名GETENV功能从环境中取字符串用法CHARGETENVCHARENVVAR程序例INCLUDEINCLUDEINTMAINVOIDCHARSSGETENV“COMSPEC“/GETTHECOMSPECENVIRONMENTPARAMETER/PRINTF“COMMANDPROCESSORSN“,S/DISPLAYCOMSPECPARAMETER/RETURN0函数名GETFAT,GETFATD功能取文件分配表信息用法VOIDGETFATINTDRIVE,STRUCTFATINFOFATBLKP程序例INCLUDEINCLUDEINTMAINVOIDSTRUCTFATINFODISKINFOINTFLAG0PRINTF“PLEASEINSERTDISKINDRIVEAN“GETCHARGETFAT1,/GETDRIVEINFORMATION/PRINTF“NDRIVEAIS“SWITCHUNSIGNEDCHARDISKINFOFI_FATIDCASE0XFDPRINTF“360KLOWDENSITYN“BREAKCASE0XF9PRINTF“12MEGHIGHDENSITYN“BREAKDEFAULTPRINTF“UNFORMATTEDN“FLAG1IFFLAGPRINTF“SECTORSPERCLUSTER5DN“,DISKINFOFI_SCLUSPRINTF“NUMBEROFCLUSTERS5DN“,DISKINFOFI_NCLUSPRINTF“BYTESPERSECTOR5DN“,DISKINFOFI_BYSECRETURN0函数名GETFILLPATTERN功能将用户定义的填充模式拷贝到内存中用法VOIDFARGETFILLPATTERNCHARFARUPATTERN程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTMAXX,MAXYCHARPATTERN80X00,0X70,0X20,0X27,0X25,0X27,0X04,0X04/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULTIFERRORCODEGROK/ANERROROCCURRED/PRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCHEXIT1/TERMINATEWITHANERRORCODE/MAXXGETMAXXMAXYGETMAXYSETCOLORGETMAXCOLOR/SELECTAUSERDEFINEDFILLPATTERN/SETFILLPATTERNPATTERN,GETMAXCOLOR/FILLTHESCREENWITHTHEPATTERN/BAR0,0,MAXX,MAXYGETCH/GETTHECURRENTUSERDEFINEDFILLPATTERN/GETFILLPATTERNPATTERN/ALTERTHEPATTERNWEGRABBED/PATTERN41PATTERN53PATTERN63PATTERN74/SELECTOURNEWPATTERN/SETFILLPATTERNPATTERN,GETMAXCOLOR/FILLTHESCREENWITHTHENEWPATTERN/BAR0,0,MAXX,MAXY/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETFILLSETTINGS功能取得有关当前填充模式和填充颜色的信息用法VOIDFARGETFILLSETTINGSSTRUCTFILLSETTINGSTYPEFARFILLINFO程序例INCLUDEINCLUDEINCLUDEINCLUDE/THENAMESOFTHEFILLSTYLESSUPPORTED/CHARFNAME“EMPTY_FILL“,“SOLID_FILL“,“LINE_FILL“,“LTSLASH_FILL“,“SLASH_FILL“,“BKSLASH_FILL“,“LTBKSLASH_FILL“,“HATCH_FILL“,“XHATCH_FILL“,“INTERLEAVE_FILL“,“WIDE_DOT_FILL“,“CLOSE_DOT_FILL“,“USER_FILL“INTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODESTRUCTFILLSETTINGSTYPEFILLINFOINTMIDX,MIDYCHARPATSTR40,COLSTR40/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULTIFERRORCODEGROK/ANERROROCCURRED/PRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCHEXIT1/TERMINATEWITHANERRORCODE/MIDXGETMAXX/2MIDYGETMAXY/2/GETINFORMATIONABOUTCURRENTFILLPATTERNANDCOLOR/GETFILLSETTINGS/CONVERTFILLINFORMATIONINTOSTRINGS/SPRINTFPATSTR,“SISTHEFILLSTYLE“,FNAMEFILLINFOPATTERNSPRINTFCOLSTR,“DISTHEFILLCOLOR“,FILLINFOCOLOR/DISPLAYTHEINFORMATION/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXTOUTTEXTXYMIDX,MIDY,PATSTROUTTEXTXYMIDX,MIDY2TEXTHEIGHT“W“,COLSTR/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETFTIME功能取文件日期和时间用法INTGETFTIMEINTHANDLE,STRUCTFTIMEFTIMEP程序例INCLUDEINCLUDEINTMAINVOIDFILESTREAMSTRUCTFTIMEFTIFSTREAMFOPEN“TEST“,“WT“NULLFPRINTFSTDERR,“CANNOTOPENOUTPUTFILEN“RETURN1GETFTIMEFILENOSTREAM,PRINTF“FILETIMEUUUN“,FTFT_HOUR,FTFT_MIN,FTFT_TSEC2PRINTF“FILEDATEU/U/UN“,FTFT_MONTH,FTFT_DAY,FTFT_YEAR1980FCLOSESTREAMRETURN0函数名GETGRAPHMODE功能返回当前图形模式用法INTFARGETGRAPHMODEVOID程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTMIDX,MIDY,MODECHARNUMNAME80,MODENAME80/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULT/ANERROROCCURRED/IFERRORCODEGROKPRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCH/TERMINATEWITHANERRORCODE/EXIT1MIDXGETMAXX/2MIDYGETMAXY/2/GETMODENUMBERANDNAMESTRINGS/MODEGETGRAPHMODESPRINTFNUMNAME,“DISTHECURRENTMODENUMBER“,MODESPRINTFMODENAME,“SISTHECURRENTGRAPHICSMODE“,GETMODENAMEMODE/DISPLAYTHEINFORMATION/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXTOUTTEXTXYMIDX,MIDY,NUMNAMEOUTTEXTXYMIDX,MIDY2TEXTHEIGHT“W“,MODENAME/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETFTIME功能取文件日期和时间用法INTGETFTIMEINTHANDLE,STRUCTFTIMEFTIMEP程序例INCLUDEINCLUDEINTMAINVOIDFILESTREAMSTRUCTFTIMEFTIFSTREAMFOPEN“TEST“,“WT“NULLFPRINTFSTDERR,“CANNOTOPENOUTPUTFILEN“RETURN1GETFTIMEFILENOSTREAM,PRINTF“FILETIMEUUUN“,FTFT_HOUR,FTFT_MIN,FTFT_TSEC2PRINTF“FILEDATEU/U/UN“,FTFT_MONTH,FTFT_DAY,FTFT_YEAR1980FCLOSESTREAMRETURN0函数名GETGRAPHMODE功能返回当前图形模式用法INTFARGETGRAPHMODEVOID程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTMIDX,MIDY,MODECHARNUMNAME80,MODENAME80/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULT/ANERROROCCURRED/IFERRORCODEGROKPRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCH/TERMINATEWITHANERRORCODE/EXIT1MIDXGETMAXX/2MIDYGETMAXY/2/GETMODENUMBERANDNAMESTRINGS/MODEGETGRAPHMODESPRINTFNUMNAME,“DISTHECURRENTMODENUMBER“,MODESPRINTFMODENAME,“SISTHECURRENTGRAPHICSMODE“,GETMODENAMEMODE/DISPLAYTHEINFORMATION/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXTOUTTEXTXYMIDX,MIDY,NUMNAMEOUTTEXTXYMIDX,MIDY2TEXTHEIGHT“W“,MODENAME/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETIMAGE功能将指定区域的一个位图存到主存中用法VOIDFARGETIMAGEINTLEFT,INTTOP,INTRIGHT,INTBOTTOM,VOIDFARBITMAP程序例INCLUDEINCLUDEINCLUDEINCLUDEINCLUDEVOIDSAVE_SCREENVOIDFARBUF4VOIDRESTORE_SCREENVOIDFARBUF4INTMAXX,MAXYINTMAINVOIDINTGDRIVERDETECT,GMODE,ERRORCODEVOIDFARPTR4/AUTODETECTTHEGRAPHICSDRIVERANDMODE/INITGRAPHERRORCODEGRAPHRESULT/CHECKFORANYERRORS/IFERRORCODEGROKPRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCHEXIT1MAXXGETMAXXMAXYGETMAXY/DRAWANIMAGEONTHESCREEN/RECTANGLE0,0,MAXX,MAXYLINE0,0,MAXX,MAXYLINE0,MAXY,MAXX,0SAVE_SCREENPTR/SAVETHECURRENTSCREEN/GETCH/PAUSESCREEN/CLEARDEVICE/CLEARSCREEN/RESTORE_SCREENPTR/RESTORETHESCREEN/GETCH/PAUSESCREEN/CLOSEGRAPHRETURN0VOIDSAVE_SCREENVOIDFARBUF4UNSIGNEDSIZEINTYSTART0,YEND,YINCR,BLOCKYINCRMAXY1/4YENDYINCRSIZEIMAGESIZE0,YSTART,MAXX,YEND/GETBYTESIZEOFIMAGE/FORBLOCK0BLOCK3BLOCKIFBUFBLOCKFARMALLOCSIZENULLCLOSEGRAPHPRINTF“ERRORNOTENOUGHHEAPSPACEINSAVE_SCREENN“EXIT1GETIMAGE0,YSTART,MAXX,YEND,BUFBLOCKYSTARTYEND1YENDYINCR1VOIDSAVE_SCREENVOIDFARBUF4UNSIGNEDSIZEINTYSTART0,YEND,YINCR,BLOCKYINCRMAXY1/4YENDYINCRSIZEIMAGESIZE0,YSTART,MAXX,YEND/GETBYTESIZEOFIMAGE/FORBLOCK0BLOCK3BLOCKIFBUFBLOCKFARMALLOCSIZENULLCLOSEGRAPHPRINTF“ERRORNOTENOUGHHEAPSPACEINSAVE_SCREENN“EXIT1GETIMAGE0,YSTART,MAXX,YEND,BUFBLOCKYSTARTYEND1YENDYINCR1VOIDRESTORE_SCREENVOIDFARBUF4INTYSTART0,YEND,YINCR,BLOCKYINCRMAXY1/4YENDYINCRFORBLOCK0BLOCK3BLOCKPUTIMAGE0,YSTART,BUFBLOCK,COPY_PUTFARFREEBUFBLOCKYSTARTYEND1YENDYINCR1函数名GETLINESETTINGS功能取当前线型、模式和宽度用法VOIDFARGETLINESETTINGSSTRUCTLINESETTINGSTYPEFARLININFO程序例INCLUDEINCLUDEINCLUDEINCLUDE/THENAMESOFTHELINESTYLESSUPPORTED/CHARLNAME“SOLID_LINE“,“DOTTED_LINE“,“CENTER_LINE“,“DASHED_LINE“,“USERBIT_LINE“INTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODESTRUCTLINESETTINGSTYPELINEINFOINTMIDX,MIDYCHARLSTYLE80,LPATTERN80,LWIDTH80/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULTIFERRORCODEGROK/ANERROROCCURRED/PRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCHEXIT1/TERMINATEWITHANERRORCODE/MIDXGETMAXX/2MIDYGETMAXY/2/GETINFORMATIONABOUTCURRENTLINESETTINGS/GETLINESETTINGS/CONVERTLINEINFORMATIONINTOSTRINGS/SPRINTFLSTYLE,“SISTHELINESTYLE“,LNAMELINEINFOLINESTYLESPRINTFLPATTERN,“0XXISTHEUSERDEFINEDLINEPATTERN“,LINEINFOUPATTERNSPRINTFLWIDTH,“DISTHELINETHICKNESS“,LINEINFOTHICKNESS/DISPLAYTHEINFORMATION/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXTOUTTEXTXYMIDX,MIDY,LSTYLEOUTTEXTXYMIDX,MIDY2TEXTHEIGHT“W“,LPATTERNOUTTEXTXYMIDX,MIDY4TEXTHEIGHT“W“,LWIDTH/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETMAXCOLOR功能返回可以传给函数SETCOLOR的最大颜色值用法INTFARGETMAXCOLORVOID程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTMIDX,MIDYCHARCOLSTR80/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULTIFERRORCODEGROK/ANERROROCCURRED/PRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCHEXIT1/TERMINATEWITHANERRORCODE/MIDXGETMAXX/2MIDYGETMAXY/2/GRABTHECOLORINFOANDCONVERTITTOASTRING/SPRINTFCOLSTR,“THISMODESUPPORTSCOLORS0D“,GETMAXCOLOR/DISPLAYTHEINFORMATION/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXTOUTTEXTXYMIDX,MIDY,COLSTR/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETMAXX功能返回屏幕的最大X坐标用法INTFARGETMAXXVOID程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTMIDX,MIDYCHARXRANGE80,YRANGE80/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULTIFERRORCODEGROK/ANERROROCCURRED/PRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCHEXIT1/TERMINATEWITHANERRORCODE/MIDXGETMAXX/2MIDYGETMAXY/2/CONVERTMAXRESOLUTIONVALUESINTOSTRINGS/SPRINTFXRANGE,“XVALUESRANGEFROM0D“,GETMAXXSPRINTFYRANGE,“YVALUESRANGEFROM0D“,GETMAXY/DISPLAYTHEINFORMATION/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXTOUTTEXTXYMIDX,MIDY,XRANGEOUTTEXTXYMIDX,MIDYTEXTHEIGHT“W“,YRANGE/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETMAXY功能返回屏幕的最大Y坐标用法INTFARGETMAXYVOID程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTMIDX,MIDYCHARXRANGE80,YRANGE80/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULTIFERRORCODEGROK/ANERROROCCURRED/PRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCHEXIT1/TERMINATEWITHANERRORCODE/MIDXGETMAXX/2MIDYGETMAXY/2/CONVERTMAXRESOLUTIONVALUESINTOSTRINGS/SPRINTFXRANGE,“XVALUESRANGEFROM0D“,GETMAXXSPRINTFYRANGE,“YVALUESRANGEFROM0D“,GETMAXY/DISPLAYTHEINFORMATION/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXTOUTTEXTXYMIDX,MIDY,XRANGEOUTTEXTXYMIDX,MIDYTEXTHEIGHT“W“,YRANGE/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETMODENAME功能返回含有指定图形模式名的字符串指针用法CHARFARGETMODENAMEINTMODE_NAME程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTMIDX,MIDY,MODECHARNUMNAME80,MODENAME80/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULTIFERRORCODEGROK/ANERROROCCURRED/PRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCHEXIT1/TERMINATEWITHANERRORCODE/MIDXGETMAXX/2MIDYGETMAXY/2/GETMODENUMBERANDNAMESTRINGS/MODEGETGRAPHMODESPRINTFNUMNAME,“DISTHECURRENTMODENUMBER“,MODESPRINTFMODENAME,“SISTHECURRENTGRAPHICSMODE“,GETMODENAMEMODE/DISPLAYTHEINFORMATION/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXTOUTTEXTXYMIDX,MIDY,NUMNAMEOUTTEXTXYMIDX,MIDY2TEXTHEIGHT“W“,MODENAME/CLEANUP/GETCHCLOSEGRAPHRETURN0函数名GETMODERANGE功能取给定图形驱动程序的模式范围用法VOIDFARGETMODERANGEINTGRAPHDRIVER,INTFARLOMODE,INTFARHIMODE程序例INCLUDEINCLUDEINCLUDEINCLUDEINTMAINVOID/REQUESTAUTODETECTION/INTGDRIVERDETECT,GMODE,ERRORCODEINTMIDX,MIDYINTLOW,HIGHCHARMRANGE80/INITIALIZEGRAPHICSANDLOCALVARIABLES/INITGRAPH/READRESULTOFINITIALIZATION/ERRORCODEGRAPHRESULTIFERRORCODEGROK/ANERROROCCURRED/PRINTF“GRAPHICSERRORSN“,GRAPHERRORMSGERRORCODEPRINTF“PRESSANYKEYTOHALT“GETCHEXIT1/TERMINATEWITHANERRORCODE/MIDXGETMAXX/2MIDYGETMAXY/2/GETTHEMODERANGEFORTHISDRIVER/GETMODERANGEGDRIVER,/CONVERTMODERANGEINFOINTOSTRINGS/SPRINTFMRANGE,“THISDRIVERSUPPORTSMODESDD“,LOW,HIGH/DISPLAYTHEINFORMATION/SETTEXTJUSTIFYCENTER_TEXT,CENTER_TEXTOUTTEXTXYMIDX,MIDY,MRANGE/CLEANUP/GETCHCLOSEGRAPHRET