rust_ex8.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>

const char *last_name(const char *full_name)
{
    return strrchr(full_name, ' ') + 1;
}

int main() {
    const char *buffer = strcpy(malloc(80), "Harry Potter");
    const char *res = last_name(buffer);
    free(buffer);
    printf("%s\n", res);

    return 0;
}