realloc in c
#include <stdio.h>
int main () {
char *ptr;
ptr = (char *) malloc(10);
strcpy(ptr, "Programming");
printf(" %s, Address = %un", ptr, ptr);
ptr = (char *) realloc(ptr, 20); //ptr is reallocated with new size
strcat(ptr, " In 'C'");
printf(" %s, Address = %un", ptr, ptr);
free(ptr);
return 0;
}Copyright © 2021 Codeinu
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