#include <libgen.h>

char *basename(char *path);
		

#include <libgen.h>

#include <stdio.h>

int main()
{
    char *path1 = "/usr/local/lib/test.c";
    char *path2 = "/usr/local/lib";
    char *name = NULL;

    name = basename(path1);
    printf("%s\n", name);

    name = basename(path2);
    printf("%s\n", name);
}