if statement

#include<stdio.h>

#include<conio.h>

void main()

{

clrscr();

int age=15;

if(age>=18)

{

printf("you are able to vote");

}

getch();

}

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Another If statement is the if -else statement. This can be shown as this

#include<stdio.h>

#include<conio.h>

void main()

if(cost >40000)
{
luxury=cost*0.005;
printf("The luxury tax is %.2f",luxury);
}
else
{
puts("There is no luxury tax for the items");
luxury=0.0;
}

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Function is user defined datatype which perform a specific task with passing the parameter.

example6(c)

Another If statement is the nesting if - statement. This can be shown as this

#include<stdio.h>
#include<conio.h>
void main()
{
int per_marks;
clrscr();
printf("Enter per of marks;");
scanf("%d",&per_marks);
if(per_marks>=80)
printf("Pass : GRADE A");
else if(per_marks>=60)
printf("Pass : GRADE B");
else if(per_marks>=40)
printf("Pass : GRADE C");
else
printf("Fail  : Try Again");
getch();
}

================================================

#include<stdio.h>
#include<conio.h>
void main( )
{
   int day;
   clrscr( );
   printf("\nEnter day of week as numbers from 1 to 7");
   scanf("%d",&day);
   if(day==1)
      printf("Day is Monday");
   else if(day==2)
      printf("Day is Tuesday");
   else if(day==3)
      printf("Day is Wednesday");
   else if(day==4)
      printf("Day is Thursday");
   else if(day==5)
      printf("Day is Friday");
   else if(day==6)
      printf("Day is Saturday");
   else
      printf("Day is Sunday");
   getch( );
}


========================================================

#include<stdio.h>

#include<conio.h> 

int main()

{ 

int x,y; 

printf("Enter value for x :");

scanf("%d",&x); 

printf("Enter value for y :");

scanf("%d",&y);

if ( x > y )

{ printf("X is large number - %d\n",x);

} 

else

{ 

printf("Y is large number - %d\n",y);

}

 return 0; 

}

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