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Introduction [cont'd]
Input Output Functions [cont'd]
Structures and Unions [cont'd]
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Switch in Decision Statements of Programming in C
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Switch 
Switch case is used to compare one variable value with multiple values. Checking the case values one by one. If Case value is equals then its block of statement will execute. All the conditions are not equals to case values then the default block of statements will get executed.
Syntax 
Switch (value)
{
case 1:
   statements;
   break;
case 2:
   statements;
   break;
case 3:
   statements;
   break;


default:
   statements;
   break;
}
Program
#include
void main(){
    int num;
    printf("Enter a number 1 to 3");
    scanf("%d",&num);
    switch(num){
        case 1:
        printf("One");
        break;
        case 2:
        printf("Two");
        break;
        case 3:
        printf("Three");
        break;
        default:
        printf("Invalid number");
        break;
    }
}
Output 
Enter a number
2

Two
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