动态 静态 网站地图,wordpress釆集插件,搜狗新闻源网站怎么做,珠海网站建设公司哪个好C语言库函数大全及应用实例六 原文:C语言库函数大全及应用实例六[编程资料]C语言库函数大全及应用实例六函数名: getlinesettings 功 能: 取当前线型、模式和宽度 用 法: void far getlinesettings(struct linesettingstype far *lininfo): 程序例: ?xml:namespace prefix… C语言库函数大全及应用实例六 原文:C语言库函数大全及应用实例六 [编程资料]C语言库函数大全及应用实例六 函数名: getlinesettings 功 能: 取当前线型、模式和宽度 用 法: void far getlinesettings(struct linesettingstype far *lininfo): 程序例: ?xml:namespace prefixo nsurn:schemas-microsoft-com:office:office? i nclude i nclude i nclude i nclude /* the names of the line styles supported */ char *lname[] { SOLID_LINE, DOTTED_LINE, CENTER_LINE, DASHED_LINE, USERBIT_LINE }; int main(void) { /* request auto detection */ int gdriver DETECT, gmode, errorcode; struct linesettingstype lineinfo; int midx, midy; char lstyle[80], lpattern[80], lwidth[80]; /* initialize graphics and local variables */ initgraph(gdriver, gmode, ); /* read result of initialization */ errorcode graphresult(); if (errorcode ! grOk) /* an error occurred */ { printf(Graphics error: %s\n, grapherrormsg(errorcode)); printf(Press any key to halt:); getch(); exit(1); /* terminate with an error code */ } midx getmaxx() / 2; midy getmaxy() / 2; /* get information about current line settings */ getlinesettings(lineinfo); /* convert line information into strings */ sprintf(lstyle, %s is the line style., lname[lineinfo.linestyle]); sprintf(lpattern, 0x%X is the user-defined line pattern., lineinfo.upattern); sprintf(lwidth, %d is the line thickness., lineinfo.thickness); /* display the information */ settextjustify(CENTER_TEXT, CENTER_TEXT); outtextxy(midx, midy, lstyle); outtextxy(midx, midy2*textheight(W), lpattern); outtextxy(midx, midy4*textheight(W), lwidth); /* clean up */ getch(); closegraph(); return 0; } 函数名: getmaxcolor 功 能: 返回可以传给函数setcolor的最大颜色值 用 法: int far getmaxcolor(void); 程序例: i nclude i nclude i nclude i nclude int main(void) { /* request auto detection */ int gdriver DETECT, gmode, errorcode; int midx, midy; char colstr[80]; /* initialize graphics and local variables */ initgraph(gdriver, gmode, ); /* read result of initialization */ errorcode graphresult(); if (errorcode ! grOk) /* an error occurred */ { printf(Graphics error: %s\n, grapherrormsg(errorcode)); printf(Press any key to halt:); getch(); exit(1); /* terminate with an error code */ } midx getmaxx() / 2; midy getmaxy() / 2; /* grab the color info. and convert it to a string */ sprintf(colstr, This mode supports colors 0..%d, getmaxcolor()); /* display the information */ settextjustify(CENTER_TEXT, CENTER_TEXT); outtextxy(midx, midy, colstr); /* clean up */ getch(); closegraph(); return 0; } 函数名: getmaxx 功 能: 返回屏幕的最大x坐标 用 法: int far getmaxx(void); 程序例: i nclude i nclude i nclude i nclude int main(void) { /* request auto detection */ int gdriver DETECT, gmode, errorcode; int midx, midy; char xrange[80], yrange[80]; /* initialize graphics and local variables */ initgraph(gdriver, gmode, ); /* read result of initialization */ errorcode graphresult(); if (errorcode ! grOk) /* an error occurred */ { printf(Graphics error: %s\n, grapherrormsg(errorcode)); printf(Press any key to halt:); getch(); exit(1); /* terminate with an error code */ } midx getmaxx() / 2; midy getmaxy() / 2; /* convert max resolution values into strings */ sprintf(xrange, X values range from 0..%d, getmaxx()); sprintf(yrange, Y values range from 0..%d, getmaxy()); /* display the information */ settextjustify(CENTER_TEXT, CENTER_TEXT); outtextxy(midx, midy, xrange); outtextxy(midx, midytextheight(W), yrange); /* clean up */ getch(); closegraph(); return 0; } 函数名: getmaxy 功 能: 返回屏幕的最大y坐标 用 法: int far getmaxy(void); 程序例: i nclude i nclude i nclude i nclude int main(void) { /* request auto detection */ int gdriver DETECT, gmode, errorcode; int midx, midy; char xrange[80], yrange[80]; /* initialize graphics and local variables */ initgraph(gdriver, gmode, ); /* read result of initialization */ errorcode graphresult(); if (errorcode ! grOk) /* an error occurred */ { printf(Graphics error: %s\n, grapherrormsg(errorcode)); printf(Press any key to halt:); getch(); exit(1); /* terminate with an error code */ } midx getmaxx() / 2; midy getmaxy() / 2; /* convert max resolution values into strings */ sprintf(xrange, X values range from 0..%d, getmaxx()); sprintf(yrange, Y values range from 0..%d, getmaxy()); /* display the information */ settextjustify(CENTER_TEXT, CENTER_TEXT); outtextxy(midx, midy, xrange); outtextxy(midx, midytextheight(W), yrange); /* clean up */ getch(); closegraph(); return 0; } 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: char *far getmodename(int mode_name); 程序例: i nclude i nclude i nclude i nclude int main(void) { /* request autodetection */ int gdriver DETECT, gmode, errorcode; int midx, midy, mode; char numname[80], modename[80]; /* initialize graphics and local variables */ initgraph(gdriver, gmode, ); /* read result of initialization */ errorcode graphresult(); if (errorcode ! grOk) /* an error occurred */ { printf(Graphics error: %s\n, grapherrormsg(errorcode)); printf(Press any key to halt:); getch(); exit(1); /* terminate with an error code */ } midx getmaxx() / 2; midy getmaxy() / 2; /* get mode number and name strings */ mode getgraphmode(); sprintf(numname, %d is the current mode number., mode); sprintf(modename, %s is the current graphics mode., getmodename(mode)); /* display the information */ settextjustify(CENTER_TEXT, CENTER_TEXT); outtextxy(midx, midy, numname); outtextxy(midx, midy2*textheight(W), modename); /* clean up */ getch(); closegraph(); return 0; } 函数名: getmoderange 功 能: 取给定图形驱动程序的模式范围 用 法: void far getmoderange(int graphdriver, int far *lomode, int far *himode); 程序例: i nclude i nclude i nclude i nclude int main(void) { /* request auto detection */ int gdriver DETECT, gmode, errorcode; int midx, midy; int low, high; char mrange[80]; /* initialize graphics and local variables */ initgraph(gdriver, gmode, ); /* read result of initialization */ errorcode graphresult(); if (errorcode ! grOk) /* an error occurred */ { printf(Graphics error: %s\n, grapherrormsg(errorcode)); printf(Press any key to halt:); getch(); exit(1); /* terminate with an error code */ } midx getmaxx() / 2; midy getmaxy() / 2; /* get the mode range for this driver */ getmoderange(gdriver, low, high); /* convert mode range info. into strings */ sprintf(mrange, This driver supports modes %d..%d, low, high); /* display the information */ settextjustify(CENTER_TEXT, CENTER_TEXT); outtextxy(midx, midy, mrange); /* clean up */ getch(); closegraph(); return 0; } 函数名: getpalette 功 能: 返回有关当前调色板的信息 用 法: void far getpalette(struct palettetype far *palette); 程序例: i nclude i nclude i nclude i nclude int main(void) { /* request auto detection */ int gdriver DETECT, gmode, errorcode; struct palettetype pal; char psize[80], pval[20]; int i, ht; int y 10; /* initialize graphics and local variables */ initgraph(gdriver, gmode, ); /* read result of initialization */ errorcode graphresult(); /* an error occurred */ if (errorcode ! grOk) { printf(Graphics error: %s\n, grapherrormsg(errorcode)); printf(Press any key to halt:); getch(); /* terminate with an error code */ exit(1); } /* grab a copy of the palette */ getpalette(pal); /* convert palette info. into strings */ sprintf(psize, The palette has %d \ modifiable entries., pal.size); /* display the information */ outtextxy(0, y, psize); if (pal.size ! 0) { ht textheight(W); y 2*ht; outtextxy(0, y, Here are the current \ values:); y 2*ht; for (i0; i{ sprintf(pval, palette[%02d]: 0x%02X, i, pal.colors[i]); outtextxy(0, y, pval); } } /* clean up */ getch(); closegraph(); return 0; } 函数名: getpass 功 能: 读一个口令 用 法: char *getpass(char *prompt); 程序例: i nclude int main(void) { char *password; password getpass(Input a password:); cprintf(The password is: %s\r\n, password); return 0; } 函数名: getpixel 功 能: 取得指定像素的颜色 用 法: int far getpixel(int x, int y); 程序例: i nclude i nclude i nclude i nclude i nclude #define PIXEL_COUNT 1000 #define DELAY_TIME 100 /* in milliseconds */ int main(void) { /* request auto detection */ int gdriver DETECT, gmode, errorcode; int i, x, y, color, maxx, maxy, maxcolor, seed; /* initialize graphics and local variables */ initgraph(gdriver, gmode, ); /* read result of initialization */ errorcode graphresult(); /* an error occurred */ if (errorcode ! grOk) { printf(Graphics error: %s\n, grapherrormsg(errorcode)); printf(Press any key to halt:); getch(); /* terminate with an error code */ exit(1); } maxx getmaxx() 1; maxy getmaxy() 1; maxcolor getmaxcolor() 1; while (!kbhit()) { /* seed the random number generator */ seed random(32767); srand(seed); for (i0; i{ x random(maxx); y random(maxy); color random(maxcolor); putpixel(x, y, color); } delay(DELAY_TIME); srand(seed); for (i0; i{ x random(maxx); y random(maxy); color random(maxcolor); if (color getpixel) 函数名: gets 功 能: 从流中取一字符串 用 法: char *gets(char *string); 程序例: i nclude int main(void) { char string[80]; printf(Input a string:); gets(string); printf(The string input was: %s\n, string); return 0; } 函数名: gettext 功 能: 将文本方式屏幕上的文本拷贝到存储区 用 法: int gettext(int left, int top, int right, int bottom, void *destin); 程序例: i nclude char buffer[4096]; int main(void) { int i; clrscr(); for (i 0; i 20; i) cprintf(Line #%d\r\n, i); gettext(1, 1, 80, 25, buffer); gotoxy(1, 25); cprintf(Press any key to clear screen...); getch(); clrscr(); gotoxy(1, 25); cprintf(Press any key to restore screen...); getch(); puttext(1, 1, 80, 25, buffer); gotoxy(1, 25); cprintf(Press any key to quit...); getch(); return 0; } 函数名: gettextinfo 功 能: 取得文本模式的显示信息 用 法: void gettextinfo(struct text_info *inforec); 程序例: i nclude int main(void) { struct text_info ti; gettextinfo(ti); cprintf(window left %2d\r\n,ti.winleft); cprintf(window top %2d\r\n,ti.wintop); cprintf(window right %2d\r\n,ti.winright); cprintf(window bottom %2d\r\n,ti.winbottom); cprintf(attribute %2d\r\n,ti.attribute); cprintf(normal attribute %2d\r\n,ti.normattr); cprintf(current mode %2d\r\n,ti.currmode); cprintf(screen height %2d\r\n,ti.screenheight); cprintf(screen width %2d\r\n,ti.screenwidth); cprintf(current x %2d\r\n,ti.curx); cprintf(current y %2d\r\n,ti.cury); return 0; } 函数名: gettextsettings 功 能: 返回有关当前图形文本字体的信息 用 法: void far gettextsettings(struct textsettingstype far *textinfo); 程序例: i nclude i nclude i nclude i nclude /* the names of the fonts supported */ char *font[] { DEFAULT_FONT, TRIPLEX_FONT, ***ALL_FONT, SANS_SERIF_FONT, GOTHIC_FONT }; /* the names of the text directions supported */ char *dir[] { HORIZ_DIR, VERT_DIR }; /* horizontal text justifications supported */ char *hjust[] { LEFT_TEXT, CENTER_TEXT, RIGHT_TEXT }; /* vertical text justifications supported */ char *vjust[] { BOTTOM_TEXT, CENTER_TEXT, TOP_TEXT }; int main(void) { /* request auto detection */ int gdriver DETECT, gmode, errorcode; struct textsettingstype textinfo; int midx, midy, ht; char fontstr[80], dirstr[80], sizestr[80]; char hjuststr[80], vjuststr[80]; /* initialize graphics and local variables */ initgraph(gdriver, gmode, ); /* read result of initialization */ errorcode graphresult(); if (errorcode ! grOk) /* an error occurred */ { printf(Graphics error: %s\n, grapherrormsg(errorcode)); printf(Press any key to halt:); getch(); exit(1); /* terminate with an error code */ } midx getmaxx() / 2; midy getmaxy() / 2; /* get information about current text settings */ gettextsettings(textinfo); /* convert text information into strings */ sprintf(fontstr, %s is the text style., font[textinfo.font]); sprintf(dirstr, %s is the text direction., dir[textinfo.direction]); sprintf(sizestr, %d is the text size., textinfo.charsize); sprintf(hjuststr, %s is the horizontal justification., hjust[textinfo.horiz]); sprintf(vjuststr, %s is the vertical justification., vjust[textinfo.vert]); /* display the information */ ht textheight(W); settextjustify(CENTER_TEXT, CENTER_TEXT); outtextxy(midx, midy, fontstr); outtextxy(midx, midy2*ht, dirstr); outtextxy(midx, midy4*ht, sizestr); outtextxy(midx, midy6*ht, hjuststr); outtextxy(midx, midy8*ht, vjuststr); /* clean up */ getch(); closegraph(); return 0; } 函数名: gettime 功 能: 取得系统时间 用 法: void gettime(struct time *timep); 程序例: i nclude i nclude int main(void) { struct time t; gettime(t); printf(The current time is: %2d:%02d:%02d.%02d\n, t.ti_hour, t.ti_min, t.ti_sec, t.ti_hund); return 0; } 函数名: getvect 功 能: 取得中断向量入口 用 法: void interrupt(*getvect(int intr_num)); 程序例: i nclude i nclude void interrupt get_out(); /* interrupt prototype */ void interrupt (*oldfunc)(); /* interrupt function pointer */ int looping 1; int main(void) { puts(Press to terminate); /* save the old interrupt */ oldfunc getvect(5); /* install interrupt handler */ setvect(5,get_out); /* do nothing */ while (looping); /* restore to original interrupt routine */ setvect(5,oldfunc); puts(Success); return 0; } void interrupt get_out() { looping 0; /* change global variable to get out of loop */ } 函数名: getverify 功 能: 返回DOS校验标志状态 用 法: int getverify(void); 程序例: i nclude i nclude int main(void) { if (getverify()) printf(DOS verify flag is on\n); else printf(DOS verify flag is off\n); return 0; } 函数名: getviewsetting 功 能: 返回有关当前视区的信息 用 法: void far getviewsettings(struct viewporttype far *viewport); 程序例: i nclude i nclude i nclude i nclude char *clip[] { OFF, ON }; int main(void) { /* request auto detection */ int gdriver DETECT, gmode, errorcode; struct viewporttype viewinfo; int midx, midy, ht; char topstr[80], botstr[80], clipstr[80]; /* initialize graphics and local variables */ initgraph(gdriver, gmode, ); /* read result of initialization */ errorcode graphresult(); if (errorcode ! grOk) /* an error occurred */ { printf(Graphics error: %s\n, grapherrormsg(errorcode)); printf(Press any key to halt:); getch(); exit(1); /* terminate with an error code */ } midx getmaxx() / 2; midy getmaxy() / 2; /* get information about current viewport */ getviewsettings(viewinfo); /* convert text information into strings */ sprintf(topstr, (%d, %d) is the upper left viewport corner., viewinfo.left, viewinfo.top); sprintf(botstr, (%d, %d) is the lower right viewport corner., viewinfo.right, viewinfo.bottom); sprintf(clipstr, Clipping is turned %s., clip[viewinfo.clip]); /* display the information */ settextjustify(CENTER_TEXT, CENTER_TEXT); ht textheight(W); outtextxy(midx, midy, topstr); outtextxy(midx, midy2*ht, botstr); outtextxy(midx, midy4*ht, clipstr); /* clean up */ getch(); closegraph(); return 0; } posted on 2014-12-12 08:30 NET未来之路 阅读(...) 评论(...) 编辑 收藏 转载于:https://www.cnblogs.com/lonelyxmas/p/4158956.html
