how to use a pointer as a parameter in c
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
void add(int* a, int* b, int* c)
{
*c = *a + *b;
}
int main()
{
int a, b, c;
a = 3;
b = 5;
add(&a, &b, &c);
printf("%d", c);
}how to use a pointer as a parameter in c
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
void add(int* a, int* b, int* c)
{
*c = *a + *b;
}
int main()
{
int a, b, c;
a = 3;
b = 5;
add(&a, &b, &c);
printf("%d", c);
}c programm pointer change in function
void foo(int** p) { //*p p den allazei , *p **p allazei! deikse null //
*p = NULL; /* set pointer to null */
}
void foo2(int* p) {
p = NULL; /* makes copy of p and copy is set to null*/
}
int main() {
int* k;
foo2(k); /* k unchanged */
foo(&k); /* NOW k == NULL */
}Copyright © 2021 Codeinu
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