#include <u.h>#include <libc.h>#include <bio.h>#include <ndb.h>#include <fcall.h>#include <thread.h>#include <9p.h>#include <ctype.h>#include "dat.h"#include "fns.h" void*erealloc(void *a, uint n){	a = realloc(a, n);	if(a == nil)		sysfatal("realloc %d: out of memory", n);	setrealloctag(a, getcallerpc(&a));	return a;} void*emalloc(uint n){	void *a; 	a = mallocz(n, 1);	if(a == nil)		sysfatal("malloc %d: out of memory", n);	setmalloctag(a, getcallerpc(&n));	return a;} char*estrdup(char *s){	s = strdup(s);	if(s == nil)		sysfatal("strdup: out of memory");	setmalloctag(s, getcallerpc(&s));	return s;} char*estredup(char *s, char *e){	char *t; 	t = emalloc(e-s+1);	memmove(t, s, e-s);	t[e-s] = '\0';	setmalloctag(t, getcallerpc(&s));	return t;} char*estrmanydup(char *s, ...){	char *p, *t;	int len;	va_list arg; 	len = strlen(s);	va_start(arg, s);	while((p = va_arg(arg, char*)) != nil)		len += strlen(p);	len++; 	t = emalloc(len);	strcpy(t, s);	va_start(arg, s);	while((p = va_arg(arg, char*)) != nil)		strcat(t, p);	return t;} char*strlower(char *s){	char *t; 	for(t=s; *t; t++)		if('A' <= *t && *t <= 'Z')			*t += 'a'-'A';	return s;}