C-array-lab/pointer-Arithmetic.c at main · HasibCoderLab/C-array-lab · GitHub

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//  ================ increment
#include <stdio.h>
int main(){
 int age = 10;
 int *ptr = &age;
printf("%u\n" ,ptr);
*ptr++ ;
printf("%u\n" ,ptr);

    return 0;
}

// =============   . decrement

#include <stdio.h>
int main(){
int age = 12;
int *ptr = &age;
*ptr++;
printf("%u\n", ptr);
*ptr--;
printf("%u\n", ptr);

    return 0;
}


//  ============     float increment ============
#include <stdio.h>
int main(){
float price  = 20.00;
 float *ptr = &price;
 printf("Orginal Byets = %u\n" , ptr );
*ptr++;
  printf("increment Byets = %u\n" , ptr );
*ptr--;
  printf("decrement  / orginal  Byets = %u\n" , ptr );

    return 0;
}

//  ============     char increment ============
#include <stdio.h>
int main(){
char star = '*';
char  *ptr = &star;
printf("Orginal Byets =  %u\n" , ptr );
*ptr++ ;
printf("increment  Byets = %u\n" , ptr);
*ptr--;
printf("dicrement / Orginal Byets %u\n" , ptr) ;

    return 0;
}

// ======================

#include <stdio.h>
int main(){
int age = 22;
int _age = 50;
int *ptr = &age;
int *_ptr = &_age;
printf("Difference %d\n" ,ptr - _ptr );
_ptr = &age;
printf("Comparisome = %u\n", ptr == _ptr   );

    return 0;
}