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realloc in c Code Example
realloc in c 
#include <stdio.h>
int main () {
   char *ptr;
   ptr = (char *) malloc(10);
   strcpy(ptr, "Programming");
   printf(" %s,  Address = %u\n", ptr, ptr);

   ptr = (char *) realloc(ptr, 20); //ptr is reallocated with new size
   strcat(ptr, " In 'C'");
   printf(" %s,  Address = %u\n", ptr, ptr);
   free(ptr);
   return 0;
}
Source: www.guru99.com
realloc in c 
void *realloc(void *ptr, size_t size)



C

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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
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