函数exit(0)应该有一个原型 [英] function exit(0) should have a prototype
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问题描述
#include Stdio.h
#include conio.h
#include math.h
#include graphics.h
#include< string.h>
void intgraph();
void display_cordinate( char bg_color, char line_color);
int Create_poly( int poly [] [ 2 跨度>]);
void fill_poly( int poly [] [ 2 ], int points, char line_color, char fill_color);
void 标识( float 矩阵[ 3 ] [ 3 ]);
void Translate_to_Relative( int poly [] [ 2 ], int points, int Xdis, int Ydis);
void main()
{
int poly [ 3 ] [ 2 ],i,points,Xdis,Ydis;
float Sx,Sy,Matrix [ 3 ] [ 3 跨度>],温度,COS,仙;
char ch;
intgraph();
setfillstyle( 8 ,RED);
points = Create_poly(poly);
display_cordinate(DARKGRAY,WHITE);
fill_poly(poly,points,WHITE,RED);
getch();
身份(矩阵);
Xdis = 0-poly [ 0 ] [ 0 ];
Ydis = 0-poly [ 0 ] [ 1 ];
Translate_to_Relative(poly,points,Xdis,Ydis);
菜单:
restorecrtmode();
do
{
clrscr();
printf( =================== =============跨度>);
printf( 1..Scaling);
printf( 2.翻译);
printf( 3..Rotation);
printf( 4.反射[X轴]);
printf( 5.反射[Y轴]);
printf( 6.反射[X = Y轴]);
printf( 7.绘制);
printf( 8. EXIT);
printf( =================== =============跨度>);
printf( 选择Ur Destiny: - );
ch = getche();
} while ((ch< ' 1 ')||(ch> ' 8'));
switch (ch)
{
case ' 1':
printf( 输入缩放比率: - );
printf( Sx: - );
scanf( %f,& Sx);
printf( Sy: - );
scanf( %f,& Sy);
for (i = 0 ; i< 3; i ++)
{
Matrix [i] [ 0 ] = Matrix [i] [ 0 ] * Sx;
Matrix [i] [ 1 ] = Matrix [i] [ 1 ] * Sy;
}
goto 菜单;
case ' 2' :
printf( 输入翻译[Relative]: - );
printf( Tx: - );
scanf( %f,& Sx);
printf( Ty: - );
scanf( %f,& Sy);
矩阵[ 2 ] [ 0 ] =矩阵[ 2 ] [ 0 ] + Sx;
矩阵[ 2 ] [ 1 ] =矩阵[ 2 ] [ 1 ] + Sy;
goto 菜单;
case ' 3' :
printf( 输入旋转角度[度]: - ) ;
scanf( %f,& Sx);
Sx =(Sx * 3。 14 )/ 180;
Cos = cos(Sx);
Sin = sin(Sx);
for (i = 0 ; i< = 2 ; i ++)
{
temp = Matrix [i] [ 0 ] * Cos-Matrix [i] [< span class =code-digit> 1 ] *罪;
Matrix [i] [ 1 ] = Matrix [i] [ 0 ] * Sin + Matrix [i] [ 1 ] * Cos;
Matrix [i] [ 0 ] = temp;
}
goto 菜单;
case ' 4' :
矩阵[ 1 ] [ 1 ] =矩阵[ 1 ] [ 1 ] * - 1;
printf( 完成);
getch();
goto 菜单;
case ' 5' :
矩阵[ 0 ] [ 0 ] =矩阵[ 0 ] [ 0 ] * - 1;
printf( 完成);
getch();
goto 菜单;
case ' 6' :
矩阵[ 0 ] [ 1 ] = 1 跨度>;
矩阵[ 1 ] [ 1 ] = 1 跨度>;
printf( 完成);
getch();
goto 菜单;
case ' 7' :
for (i = 0 ; i< = points; i ++)
{
temp = poly [i] [ 0 ] *矩阵[ 0 ] [ 0 ] + poly [i] [ 1 ] * Matrix [ 1 ] [ 0 ] + Matrix [ 2 ] [ 0 跨度>];
poly [i] [ 1 ] = poly [i] [ 0 ] * Matrix [ 0 ] [ 1 ] + poly [i] [ 1 ] *矩阵[ 1 ] [ 1 ] + Matrix [ 2 ] [ 1 ];
poly [i] [ 0 ] = temp;
}
case ' 8':
getch();
// closegraph();
exit( 0 跨度>);
}
setgraphmode( 2 );
display_cordinate(DARKGRAY,WHITE);
Translate_to_Relative(poly,points,-Xdis,-Ydis);
fill_poly(poly,points,CYAN,RED);
getch();
restorecrtmode();
do
{
clrscr();
printf( 是否要切换到菜单[Y | N]: - );
ch = getche();
} while ((ch!= ' Y')&&(ch!= ' N'));
if (ch == ' Y' )
{
身份(矩阵);
Xdis = 0-poly [ 0 ] [ 0 ];
Ydis = 0-poly [ 0 ] [ 1 ];
Translate_to_Relative(poly,points,Xdis,Ydis);
goto 菜单;
}
closegraph();
}
void intgraph()
{
int g = DETECT,d;
initgraph(& g,& d, c:\ tc\bgi跨度>);
}
void fill_poly( int poly1 [] [< span class =code-digit> 2 ], int points, char line_color, char fill_color)
{
int pol [ 20 跨度>],I;
char str [ 2 ];
for (i = 0 ; i< = points; i ++)
{
pol [i * 2] = poly1 [i] [ 0 ];
pol [i * 2 + 1] = poly1 [i] [ 1 ];
}
pol [i * 2] = poly1 [ 0 ] [ 0 ]。
pol [i * 2 + 1] = poly1 [ 0 ] [ 1 ];
setcolor(line_color);
setfillstyle( 8 ,fill_color);
fillpoly(points + 1,pol);
setcolor(fill_color);
settextstyle( 1 , 0 , 3 < /跨度>);
for (i = 0 ; i< = points; i ++)
{
sprintf(str, %c,i + ' a');
outtextxy(poly1 [i] [ 0 ],poly1 [i] [ 1 ], STR);
}
}
void 身份( float 矩阵[ 3 ] [ 3 ])
{
int i,j;
for (i = 0 ; i< = 2 ; i ++)
{
for (j = 0 ; j< = 2 ; j ++)
{
if (i = = j)
Matrix [i] [j] = 1 ;
else
Matrix [i] [j] = 0 ;
}
}
}
int Create_poly( int poly [] [ 2 ])
{
poly [ 0 ] [ 0 ] = 200 ;
poly [ 0 ] [ 1 ] = 20 跨度>;
poly [ 1 ] [ 0 ] = 300 跨度>;
poly [ 1 ] [ 1 ] = 150 跨度>;
poly [ 2 ] [ 0 ] = 130 跨度>;
poly [ 2 ] [ 1 ] = 280 跨度>;
return 2 ;
}
void display_cordinate( char bg_color, char line_color)
{
int i;
setbkcolor(bg_color);
setcolor(line_color);
for (i = 0 ; i< = 640 ; i + = 50 )
{
line(i, 0 ,i, 480 );
}
for (i = 0 ; i< = 480 ; i + = 50 )
{
line( 0 ,i, 640 ,i);
}
矩形( 0 , 0 , 639 , 479 );
}
void Translate_to_Relative( int poly [] [< span class =code-digit> 2 ], int points, int Xdis, int Ydis)
{
int i;
for (i = 0 ; i< = points; i ++)
{
poly [i] [ 0 ] = poly [i] [ 0 ] + Xdis;
poly [i] [ 1 ] = poly [i] [ 1 ] + Ydis;
}
}
只有一个错误函数应该有一个原型,我尝试了很多东西,但这个错误没有消失。
解决方案
你缺少stdlib.h ...
#include < ; stdlib.h >
#include "Stdio.h"
#include "conio.h"
#include "math.h"
#include "graphics.h"
#include <string.h>
void intgraph();
void display_cordinate(char bg_color,char line_color);
int Create_poly(int poly[][2]);
void fill_poly(int poly[][2],int points,char line_color,char fill_color);
void Identity(float Matrix[3][3]);
void Translate_to_Relative(int poly[][2],int points,int Xdis,int Ydis);
void main()
{
int poly[3][2],i,points,Xdis,Ydis;
float Sx,Sy,Matrix[3][3],temp,Cos,Sin;
char ch;
intgraph();
setfillstyle(8,RED);
points=Create_poly(poly);
display_cordinate(DARKGRAY,WHITE);
fill_poly(poly,points,WHITE,RED);
getch();
Identity(Matrix);
Xdis=0-poly[0][0];
Ydis=0-poly[0][1];
Translate_to_Relative(poly,points,Xdis,Ydis);
Menu:
restorecrtmode();
do
{
clrscr();
printf("================================");
printf("1. Scaling");
printf("2. Translation");
printf("3. Rotation");
printf("4. Reflection [ X axis ]");
printf("5. Reflection [ Y axis ]");
printf("6. Reflection [ X=Y axis ]");
printf("7. Draw ");
printf("8. EXIT ");
printf("================================");
printf("Choose Ur Destiny:- ");
ch=getche();
}while((ch<'1')||(ch>'8'));
switch(ch)
{
case '1':
printf("Enter Scaling Ratio:- ");
printf("Sx:- ");
scanf("%f",&Sx);
printf(" Sy:- ");
scanf("%f",&Sy);
for(i=0;i<3;i++)
{
Matrix[i][0]=Matrix[i][0]*Sx;
Matrix[i][1]=Matrix[i][1]*Sy;
}
goto Menu;
case '2':
printf("Enter Translation [Relative]:- ");
printf("Tx:- ");
scanf("%f",&Sx);
printf(" Ty:- ");
scanf("%f",&Sy);
Matrix[2][0]=Matrix[2][0]+Sx;
Matrix[2][1]=Matrix[2][1]+Sy;
goto Menu;
case '3':
printf("Enter Rotation Angle [Degree]:- ");
scanf("%f",&Sx);
Sx=(Sx*3.14)/180;
Cos=cos(Sx);
Sin=sin(Sx);
for(i=0;i<=2;i++)
{
temp=Matrix[i][0]*Cos-Matrix[i][1]*Sin;
Matrix[i][1]=Matrix[i][0]*Sin+Matrix[i][1]*Cos;
Matrix[i][0]=temp;
}
goto Menu;
case '4':
Matrix[1][1]=Matrix[1][1]*-1;
printf("Done");
getch();
goto Menu;
case '5':
Matrix[0][0]=Matrix[0][0]*-1;
printf("Done");
getch();
goto Menu;
case '6':
Matrix[0][1]=1;
Matrix[1][1]=1;
printf("Done");
getch();
goto Menu;
case '7':
for(i=0;i<=points;i++)
{
temp=poly[i][0]*Matrix[0][0]+poly[i][1]*Matrix[1][0]+Matrix[2][0];
poly[i][1]=poly[i][0]*Matrix[0][1]+poly[i][1]*Matrix[1][1]+Matrix[2][1];
poly[i][0]=temp;
}
case '8':
getch();
// closegraph();
exit(0);
}
setgraphmode(2);
display_cordinate(DARKGRAY,WHITE);
Translate_to_Relative(poly,points,-Xdis,-Ydis);
fill_poly(poly,points,CYAN,RED);
getch();
restorecrtmode();
do
{
clrscr();
printf("Do you Want to Switch to MENU [Y|N]:- ");
ch=getche();
}while( (ch!='Y') && (ch!='N') );
if(ch=='Y')
{
Identity(Matrix);
Xdis=0-poly[0][0];
Ydis=0-poly[0][1];
Translate_to_Relative(poly,points,Xdis,Ydis);
goto Menu;
}
closegraph();
}
void intgraph()
{
int g=DETECT,d;
initgraph(&g,&d,"c:\tc\bgi");
}
void fill_poly(int poly1[][2],int points,char line_color,char fill_color)
{
int pol[20],i;
char str[2];
for(i=0;i<=points;i++)
{
pol[i*2]=poly1[i][0];
pol[i*2+1]=poly1[i][1];
}
pol[i*2]=poly1[0][0];
pol[i*2+1]=poly1[0][1];
setcolor(line_color);
setfillstyle(8,fill_color);
fillpoly(points+1,pol);
setcolor(fill_color);
settextstyle(1,0,3);
for(i=0;i<=points;i++)
{
sprintf(str,"%c",i+'a');
outtextxy(poly1[i][0],poly1[i][1],str);
}
}
void Identity(float Matrix[3][3])
{
int i,j;
for(i=0;i<=2;i++)
{
for(j=0;j<=2;j++)
{
if(i==j)
Matrix[i][j]=1;
else
Matrix[i][j]=0;
}
}
}
int Create_poly(int poly[][2])
{
poly[0][0]=200;
poly[0][1]=20;
poly[1][0]=300;
poly[1][1]=150;
poly[2][0]=130;
poly[2][1]=280;
return 2;
}
void display_cordinate(char bg_color,char line_color)
{
int i;
setbkcolor(bg_color);
setcolor(line_color);
for(i=0;i<=640;i+=50)
{
line(i,0,i,480);
}
for(i=0;i<=480;i+=50)
{
line(0,i,640,i);
}
rectangle(0,0,639,479);
}
void Translate_to_Relative(int poly[][2],int points,int Xdis,int Ydis)
{
int i;
for(i=0;i<=points;i++)
{
poly[i][0]=poly[i][0]+Xdis;
poly[i][1]=poly[i][1]+Ydis;
}
}
its only one erroe" function should have a prototype" and i tried many thing but this error not gone.
解决方案
You are missing stdlib.h...
#include <stdlib.h>
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