Mine

#define _GNU_SOURCE 1#include <stdio.h>#include <stdlib.h>#include <unistd.h>#include <sys/types.h>#include <dlfcn.h>//char *getenv(const char *name)uid_t getuid (void){        uid_t (*orig_getuid)(void) = dlsym(RTLD_NEXT, "getuid");        printf("Calling getuid\n");        return orig_getuid();}