C语言读取文件

#define _CRT_SECURE_NO_DEPRECATE#include<stdio.h>#include<stdlib.h>int main(void) {    FILE *fp;    char *line=NULL;    size_t len = 0;    int  read;fp = fopen("C:\\test\\mytest.txt","r");    printf(fp);    if (fp == NULL) {        exit(EXIT_FAILURE);    }    while ((read = fgetc(fp) )!= EOF) {        printf("%c", read);    }    fclose(fp);    if (line) {        free(line);    }    exit(EXIT_FAILURE);}