#include <stdio.h>
#include "conio.h"
#include <errno.h>
char *fgets(char *str, int n, FILE *stream)
{
int i=0, sym_code;
if(!stream || !str){
errno = EINVAL;
return NULL;
}
i = fread(str, n-1, sizeof(char), stream);
if(i<1){ return NULL; }
return str;