#ifndef POTD_UTILS_H
#define POTD_UTILS_H 1

#ifndef SIZEOF
#define SIZEOF(arr) (sizeof(arr)/sizeof(arr[0]))
#endif

extern char *arg0;


int set_child_sighandler(void);

void set_procname(const char *new_arg0);

pid_t daemonize(int stay_foreground);

int close_fds_except(int fd, ...);

int change_user_group(const char *user, const char *group);

#endif