c 读取全部文件内容到缓冲区

	
	

	

		
		
#include <stdio.h>
#include <stdlib.h>

FILE *f = fopen("textfile.txt", "rb");
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);

char *string = malloc(fsize + 1);
fread(string, fsize, 1, f);
fclose(f);

string[fsize] = 0;