#define _UTILS_H
#include <stdarg.h>
+#include <sys/types.h>
+
+#define max(a, b) (((b) > (a))?(b):(a))
+#define min(a, b) (((b) < (a))?(b):(a))
#define smalloc(size) ({void *__result__; ((__result__ = malloc(size)) == NULL)?({exit(-1); (void *)0;}):__result__;})
#define srealloc(ptr, size) ({void *__result__; ((__result__ = realloc((ptr), (size))) == NULL)?({exit(-1); (void *)0;}):__result__;})
#define omalloc(o) ((o) = szmalloc(sizeof(*(o))))
#define bufinit(buf) memset(&(buf), 0, sizeof(buf))
-#define buffree(buf) do { if((buf).b != NULL) {free((buf).b);} } while(0)
+#define buffree(buf) do { if((buf).b != NULL) {free((buf).b);} bufinit(buf); } while(0)
#define sizebuf(buf, wanted) (_sizebuf((struct buffer *)&(buf), (wanted), sizeof(*((buf).b))))
#define bufadd(buf, new) \
do { \
char *vsprintf2(char *format, va_list al);
char *sprintf2(char *format, ...);
char *sprintf3(char *format, ...);
+off_t atoo(char *n);
+char **tokenize(char *src);
+void freeca(char **ca);
+int calen(char **a);
+void bvprintf(struct charbuf *buf, char *format, va_list al);
+void bprintf(struct charbuf *buf, char *format, ...);
+void replstr(char **p, char *n);
#endif