poiner in c
int* pc, c, d;
c = 5;
d = -15;
pc = &c; printf("%d", *pc); // Output: 5
pc = &d; printf("%d", *pc); // Ouptut: -15poiner in c
int* pc, c, d;
c = 5;
d = -15;
pc = &c; printf("%d", *pc); // Output: 5
pc = &d; printf("%d", *pc); // Ouptut: -15%.*s in c
example:
printf("%.*s",3,"hello");
output:hel
here 3 represents the length of the string to be printed in the "hello string".poiner in c
int c, *pc;
// pc is address but c is not
pc = c; // Error
// &c is address but *pc is not
*pc = &c; // Error
// both &c and pc are addresses
pc = &c;
// both c and *pc values
*pc = c;poiner in c
#include <stdio.h>
int main()
{
int var =10;
int *p;
p= &var;
printf ( "Address of var is: %p", &var);
printf ( "\nAddress of var is: %p", p);
printf ( "\nValue of var is: %d", var);
printf ( "\nValue of var is: %d", *p);
printf ( "\nValue of var is: %d", *( &var));
/* Note I have used %p for p's value as it represents an address*/
printf( "\nValue of pointer p is: %p", p);
printf ( "\nAddress of pointer p is: %p", &p);
return 0;
}Copyright © 2021 Codeinu
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