research-portable-memory/c/ext/uthash/tests/test54.c

#include <stdio.h>
#include "utstring.h"

int main()
{
    UT_string *s, *t;

    utstring_new(s);
    utstring_new(t);

    utstring_printf(s, "hello " );
    utstring_printf(s, "world " );

    utstring_printf(t, "hi " );
    utstring_printf(t, "there " );

    utstring_concat(s, t);
    printf("length: %u\n", (unsigned)utstring_len(s));
    printf("%s\n", utstring_body(s));

    utstring_free(s);
    utstring_free(t);
    return 0;
}