#ifndef UTILS_H
#define UTILS_H

// http://c-faq.com/lib/randrange.html
int randint(int N);

// http://c-faq.com/lib/randrange.html
// numbers in the range [M, N] could be generated with something like

int randrange(int M, int N);
int random_activate(int w);

/**
 * Display a repr of the given string.
 *
 * This converts most \n\r\v\f\t codes,
 * defaults to \xHH (hex value).
 */
char *repr(const char *data);
const char *strnstr(const char *source, int len, const char *needle);
int rstrnstr(const char *buffer, int len, const char *find);
int string_insert(char *buffer, int max_length, int pos, const char *insert);
void pcopy(char *pstring, char *str);

#endif