/* count the number of identical chars at the beginning of 2 strings */
size_t ec_strcmp_count(const char *s1, const char *s2);
/* count the number of identical chars at the beginning of 2 strings */
size_t ec_strcmp_count(const char *s1, const char *s2);
/* like vasprintf, but use libecoli allocator */
int ec_vasprintf(char **buf, const char *fmt, va_list ap);
/* like vasprintf, but use libecoli allocator */
int ec_vasprintf(char **buf, const char *fmt, va_list ap);