编辑代码

#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[]) {
	int ch;
	FILE * fp;
	char fname[50];
	printf("请输入文件名：");
	scanf("%s",fname);
	fp=fopen(fname,"r");
	if(fp==NULL){
		printf("Failed to open the file.Bye!");
		exit(1);
	}
	while((ch=getc(fp))!=EOF){
		putchar(ch);
	}
	fclose(fp);
	return 0;
}