#include <u.h>#include <libc.h>#include <bio.h>#include <ctype.h>#include "authcmdlib.h" voidclrbio(Acctbio *a){	int i; 	if(a->user)		free(a->user);	if(a->postid)		free(a->postid);	if(a->name)		free(a->name);	if(a->dept)		free(a->dept);	for(i = 0; i < Nemail; i++)		if(a->email[i])			free(a->email[i]);	memset(a, 0, sizeof(Acctbio));} voidrdbio(char *file, char *user, Acctbio *a){	int i,n;	Biobuf *b;	char *p;	char *field[20]; 	memset(a, 0, sizeof(Acctbio));	b = Bopen(file, OREAD);	if(b == nil){		a->user = strdup(user);		return;	}	while(p = Brdline(b, '\n')){		p[Blinelen(b)-1] = 0;		n = getfields(p, field, nelem(field), 0, "|");		if(n < 4)			continue;		if(strcmp(field[0], user) != 0)			continue; 		clrbio(a); 		a->postid = strdup(field[1]);		a->name = strdup(field[2]);		a->dept = strdup(field[3]);		if(n-4 >= Nemail)			n = Nemail-4;		for(i = 4; i < n; i++)			a->email[i-4] = strdup(field[i]);	}	a->user = strdup(user);	Bterm(b);}