c语言中加减乘除英文单词 求一个计算加减乘除的C语言程序

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#include

#include

intgetOption(void);

voidgetData(int*num1,int*num2);

floatcalc(intoption,intnum1,intnum2);

floatadd(intnum1,intnum2);

floatsub(intnum1,intnum2);

floatmul(intnum1,intnum2);

floatdivs(intnum1,intnum2);

voidprintData(intnun1,intnum2,intoption,floatresult);

intmain(void)

{

intoption;

intnum1;

intnum2;

floatresult;

option=getOption();

getData(&num1,&num2);

result=calc(option,num1,num2);

printData(num1,num2,option,result);

return0;

}

intgetOption(void)

{

intoption;

printf("\t********************************");

printf("\n\t*MENU*");

printf("\n\t**");

printf("\n\t*1.ADD*");

printf("\n\t*2.SUBTRACT*");

printf("\n\t*3.MULTIPLY*");

printf("\n\t*4.DIVIDE*");

printf("\n\t**");

printf("\n\t********************************");

printf("\n\nPleasetypeyourchoice");

printf("andkeyreturn：");

scanf("%d",&option);

returnoption;

}

voidgetData(int*a,int*b)

{

printf("Pleaseentertwointegernumbers：");

scanf("%d%d",a,b);

return;

}

floatcalc(intoption,intnum1,intnum2)

{

floatresult;

switch(option)

{

case1:result=add(num1,num2);

break;

case2:result=sub(num1,num2);

break;

case3:result=mul(num1,num2);

break;

case4:if(num2==0.0)

{

printf("\n\a\aError：");

printf("divisionbyzero\n");

exit(100);

}

else

result=divs(num1,num2);

break;

default:printf("\aOptionnotavailable\n");

exit(101);

}

returnresult;

}

floatadd(inta,intb)

{

floatsum;

sum=a+b;

returnsum;

}

floatsub(inta,intb)

{

floatdif;

dif=a-b;

returndif;

}

floatmul(inta,intb)

{

floatproduct;

product=a*b;

returnproduct;

}

floatdivs(inta,intb)

{

floatquotient;

quotient=(float)a/b;

returnquotient;

}

voidprintData(inta,intb,intoption,floatresult)

{

switch(option)

{

case1:printf("\n%d+%d=%.0f\n",a,b,result);

break;

case2:printf("\n%d-%d=%.0f\n",a,b,result);

break;

case3:printf("\n%d*%d=%.0f\n",a,b,result);

break;

case4:printf("\n%d/%d=%.2f\n",a,b,result);

break;

default:printf("\n\a\a未知错误！\n");

exit(102);

}

return;

}