Typedef in c

Mastering Typedef: Simplifying Data Types in C

Typedef is one of the mechanisms where  we can put another name to the existing data type so that the declaration can be simplified

In C programming, typedef is a keyword used to define a new name for an existing data type.

For example, let's say you want to define a new data type called myInt which is an alias for the int data type. You could do this using typedef like this:

typedef int myInt;

After this definition, myInt can be used in place of int:

myInt x = 5;

This is functionally equivalent to:

int x = 5;

Using typedef can make code more readable and understandable, especially when working with complex data types. For example, instead of using the cumbersome syntax struct myStruct, you can use typedef to define a new name for the struct:

typedef struct {
    int x;
    int y;
} Point;

After this definition, you can use Point to create new instances of the struct:

Point p1 = {1, 2};
Point p2 = {3, 4};

write a c program of the size of int using typedef

#include<stdio.h>
typedef int INT;
void main()
{
    int i;
    INT j;
    printf("sizeof i:%ld  sizeof j:%ld\n",sizeof(i),sizeof(j));
}

Top Resources

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Assignment of Typedef

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