Dynamic Memory Allocation - Example

void main()

{  char *str, *new_str, *str1;

str = (char*) malloc(LNG2);

while (printf(“Enter 6-char string\n”), gets(str)) { printf(“ %s ==>> “,str);

string_manipulation(str,tolower);

printf(“%s\n”,str);

} new_str = (char *)realloc(str,LNG2+LNG1); printf(“new_str=%s\n”,new_str);

printf(“ str=%s\n”, str);

string_manipulation(str,toupper);

printf(“new_str=%s\n”,new_str);

printf(“ str=%s\n”, str);

str1 = (char *) malloc(LNG2);

printf(“ str1=%s\n”, str1);  string_manipulation(str1,tolower); printf(“ str1=%s\n”, str1);

free(str1); free(new_str);

}

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