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c語言編寫，自定義一個函數(shù)，要求如下功能：判斷系統(tǒng)的登錄賬號密碼是否正確，并輸出登錄結果？
是三種不同的函數(shù)驗證登陸吧，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)只做判斷返回結果。
#include "stdafx.h"
#include iostream
#include string
void check1()
{
char name[10], pass[10];
printf("請輸入賬號和密碼:\n");
scanf_s("%s%s", name, 10, pass, 10);
if (!strcmp(name,"admin")!strcmp(pass,"123"))
printf("賬號密碼正確！\n");
else
printf("賬號或密碼錯誤！\n");
}
void check2(char *n, char *p)
{
if (!strcmp(n, "admin") !strcmp(p, "123"))
printf("賬號密碼正確！\n");
else
printf("賬號或密碼錯誤！\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("請輸入賬號和密碼:\n");
scanf_s("%s%s", name, 10, pass, 10);
check2(name, pass);
printf("請輸入賬號和密碼:\n");
scanf_s("%s%s", name, 10, pass, 10);
if(check3(name,pass)==1)
printf("賬號密碼正確！\n");
if(check3(name,pass)==2)
printf("賬號或密碼錯誤！\n");
system("pause");
return 0;
}
C語言課程設計的界面應該使用哪些函數(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語言函數(shù)參數(shù)傳遞出錯 做教務系統(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)的語句中寫的：void student_face(struct student *p)。
在倒數(shù)第二行，調用student_face()時，括號里面要寫上一個student結構體名。
網(wǎng)頁名稱：c語言課設登錄界面函數(shù) c語言程序設計登錄界面
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