c語(yǔ)言編寫，自定義一個(gè)函數(shù)，要求如下功能：判斷系統(tǒng)的登錄賬號(hào)密碼是否正確，并輸出登錄結(jié)果？

是三種不同的函數(shù)驗(yàn)證登陸吧，check1、check2、check3三類函數(shù)分別如下：

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void check1()輸入輸出功能全部在函數(shù)完成；

void check2(name,pass)輸入在main中傳入函數(shù)進(jìn)行判斷輸出；

int check3(name,pass)輸入輸出均在main函數(shù)完成，函數(shù)只做判斷返回結(jié)果。

#include "stdafx.h"

#include iostream

#include string

void check1()

{

char name[10], pass[10];

printf("請(qǐng)輸入賬號(hào)和密碼:\n");

scanf_s("%s%s", name, 10, pass, 10);

if (!strcmp(name,"admin")!strcmp(pass,"123"))

printf("賬號(hào)密碼正確！\n");

else

printf("賬號(hào)或密碼錯(cuò)誤！\n");

}

void check2(char *n, char *p)

{

if (!strcmp(n, "admin") !strcmp(p, "123"))

printf("賬號(hào)密碼正確！\n");

else

printf("賬號(hào)或密碼錯(cuò)誤！\n");

}

int check3(char *n, char *p)

{

if (!strcmp(n, "admin") !strcmp(p, "123"))

return 1;

else

return 2;

}

int main()

{

char name[10], pass[10];

check1();

printf("請(qǐng)輸入賬號(hào)和密碼:\n");

scanf_s("%s%s", name, 10, pass, 10);

check2(name, pass);

printf("請(qǐng)輸入賬號(hào)和密碼:\n");

scanf_s("%s%s", name, 10, pass, 10);

if(check3(name,pass)==1)

printf("賬號(hào)密碼正確！\n");

if(check3(name,pass)==2)

printf("賬號(hào)或密碼錯(cuò)誤！\n");

system("pause");

return 0;

}

C語(yǔ)言課程設(shè)計(jì)的界面應(yīng)該使用哪些函數(shù)？

以下是graphics.h中的聲明,常用的都比較好懂,實(shí)在不行就查查MSDN吧,上面有好多名字類似的函數(shù)功能都一樣.

void far _Cdecl arc(int x, int y, int stangle, int endangle,

int radius);

void far _Cdecl bar(int left, int top, int right, int bottom);

void far _Cdecl bar3d(int left, int top, int right, int bottom,

int depth, int topflag);

void far _Cdecl circle(int x, int y, int radius);

void far _Cdecl cleardevice(void);

void far _Cdecl clearviewport(void);

void far _Cdecl closegraph(void);

void far _Cdecl detectgraph(int far *graphdriver,int far *graphmode);

void far _Cdecl drawpoly(int numpoints, int far *polypoints);

void far _Cdecl ellipse(int x, int y, int stangle, int endangle,

int xradius, int yradius);

void far _Cdecl fillellipse( int x, int y, int xradius, int yradius );

void far _Cdecl fillpoly(int numpoints, int far *polypoints);

void far _Cdecl floodfill(int x, int y, int border);

void far _Cdecl getarccoords(struct arccoordstype far *arccoords);

void far _Cdecl getaspectratio(int far *xasp, int far *yasp);

int far _Cdecl getbkcolor(void);

int far _Cdecl getcolor(void);

struct palettetype * far _Cdecl getdefaultpalette( void );

char * far _Cdecl getdrivername( void );

void far _Cdecl getfillpattern(char far *pattern);

void far _Cdecl getfillsettings(struct fillsettingstype far *fillinfo);

int far _Cdecl getgraphmode(void);

void far _Cdecl getimage(int left, int top, int right, int bottom,

void far *bitmap);

void far _Cdecl getlinesettings(struct linesettingstype far *lineinfo);

int far _Cdecl getmaxcolor(void);

int far _Cdecl getmaxmode(void);

int far _Cdecl getmaxx(void);

int far _Cdecl getmaxy(void);

char * far _Cdecl getmodename( int mode_number );

void far _Cdecl getmoderange(int graphdriver, int far *lomode,

int far *himode);

unsigned far _Cdecl getpixel(int x, int y);

void far _Cdecl getpalette(struct palettetype far *palette);

int far _Cdecl getpalettesize( void );

void far _Cdecl gettextsettings(struct textsettingstype far *texttypeinfo);

void far _Cdecl getviewsettings(struct viewporttype far *viewport);

int far _Cdecl getx(void);

int far _Cdecl gety(void);

void far _Cdecl graphdefaults(void);

char * far _Cdecl grapherrormsg(int errorcode);

void far _Cdecl _graphfreemem(void far *ptr, unsigned size);

void far * far _Cdecl _graphgetmem(unsigned size);

int far _Cdecl graphresult(void);

unsigned far _Cdecl imagesize(int left, int top, int right, int bottom);

void far _Cdecl initgraph(int far *graphdriver,

int far *graphmode,

char far *pathtodriver);

int far _Cdecl installuserdriver( char far *name, int huge (*detect)(void) );

int far _Cdecl installuserfont( char far *name );

void far _Cdecl line(int x1, int y1, int x2, int y2);

void far _Cdecl linerel(int dx, int dy);

void far _Cdecl lineto(int x, int y);

void far _Cdecl moverel(int dx, int dy);

void far _Cdecl moveto(int x, int y);

void far _Cdecl outtext(char far *textstring);

void far _Cdecl outtextxy(int x, int y, char far *textstring);

void far _Cdecl pieslice(int x, int y, int stangle, int endangle,

int radius);

void far _Cdecl putimage(int left, int top, void far *bitmap, int op);

void far _Cdecl putpixel(int x, int y, int color);

void far _Cdecl rectangle(int left, int top, int right, int bottom);

void far _Cdecl restorecrtmode(void);

void far _Cdecl sector( int X, int Y, int StAngle, int EndAngle,

int XRadius, int YRadius );

void far _Cdecl setactivepage(int page);

void far _Cdecl setallpalette(struct palettetype far *palette);

void far _Cdecl setaspectratio( int xasp, int yasp );

void far _Cdecl setbkcolor(int color);

void far _Cdecl setcolor(int color);

void far _Cdecl setfillpattern(char far *upattern, int color);

void far _Cdecl setfillstyle(int pattern, int color);

unsigned far _Cdecl setgraphbufsize(unsigned bufsize);

void far _Cdecl setgraphmode(int mode);

void far _Cdecl setlinestyle(int linestyle, unsigned upattern,

int thickness);

void far _Cdecl setpalette(int colornum, int color);

void far _Cdecl setrgbpalette(int colornum,

int red, int green, int blue);

void far _Cdecl settextjustify(int horiz, int vert);

void far _Cdecl settextstyle(int font, int direction, int charsize);

void far _Cdecl setusercharsize(int multx, int divx,

int multy, int divy);

void far _Cdecl setviewport(int left, int top, int right, int bottom,

int clip);

void far _Cdecl setvisualpage(int page);

void far _Cdecl setwritemode( int mode );

int far _Cdecl textheight(char far *textstring);

int far _Cdecl textwidth(char far *textstring);

/***** graphics drivers *****/

int _Cdecl registerbgidriver(void (*driver)(void));

int far _Cdecl registerfarbgidriver(void far *driver);

/* !! These "functions" are NOT user-callable !! */

/* !! They are there just so you can link in graphics drivers !! */

void _Cdecl CGA_driver(void);

void _Cdecl EGAVGA_driver(void);

void _Cdecl IBM8514_driver(void);

void _Cdecl Herc_driver(void);

void _Cdecl ATT_driver(void);

void _Cdecl PC3270_driver(void);

extern int far _Cdecl CGA_driver_far[];

extern int far _Cdecl EGAVGA_driver_far[];

extern int far _Cdecl IBM8514_driver_far[];

extern int far _Cdecl Herc_driver_far[];

extern int far _Cdecl ATT_driver_far[];

extern int far _Cdecl PC3270_driver_far[];

/***** graphics fonts *****/

int _Cdecl registerbgifont(void (*font)(void));

int far _Cdecl registerfarbgifont(void far *font);

/* !! These "functions" are NOT user-callable, !! */

/* !! they are there just so you can link in fonts !! */

void _Cdecl triplex_font(void);

void _Cdecl small_font(void);

void _Cdecl sansserif_font(void);

void _Cdecl gothic_font(void);

extern int far _Cdecl triplex_font_far[];

extern int far _Cdecl small_font_far[];

extern int far _Cdecl sansserif_font_far[];

extern int far _Cdecl gothic_font_far[];

C語(yǔ)言函數(shù)參數(shù)傳遞出錯(cuò) 做教務(wù)系統(tǒng)界面，函數(shù)如下

student_face函數(shù)需要struct student 變量作為參數(shù)，這是在第一行定義函數(shù)的語(yǔ)句中寫的：void student_face(struct student *p)。

在倒數(shù)第二行，調(diào)用student_face()時(shí)，括號(hào)里面要寫上一個(gè)student結(jié)構(gòu)體名。

文章標(biāo)題：c語(yǔ)言課設(shè)登錄界面函數(shù) c語(yǔ)言程序設(shè)計(jì)登錄界面
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