C Type Casting

What Type Casting Is?

Generally, Type Casting is the procedure or a way to convert one thing to another. For example consider your friend bob has a bushy hairstyle, everyone of you teasing bob everyday, thus bob decided to change his hairstyle, in the very next day bob went to barber shop and got a spike hairstyle and attracted everyone. Clearly, bob is type casted from bushy hairstyle to spike hairstyle. Here typecasting in done in barber shop.

Type Casting in C

C compilers allowed programmers to convert from one data type to another data type by using type cast method. Type casting is also known as type conversion.

Type Casting Rules

• Type casting can be used to convert lower datatypes to higher datatypes and viceversa e.g.) int (2 bytes) to float (4 bytes).
• The type name to which conversion is to be done is placed in a closed parenthesis just before the variable. e.g.) if a float variable 'f' has a value 7.5, it can be converted into an integer type using (int)f.

Type Casting Lower Datatype Conversion

Let us write a C program to typecasting int datatype to float datatype

#include <stdio.h>
int main()
{
int a = 3;
int b = 2;
int c;
printf("The value of c = %f ",(float)a/b);
return 0;
}

Type Casting Higher Datatype Conversion

Let us write a c program to typecasting float datatype to int datatype

#include <stdio.h>
int main()
{
float a = 3.56;
printf("The value of a = %d ",(int)a);
return 0;
}

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