copy.c实现

#cat copy.c

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

int copyFile(char *fileRead,char *fileWrite);

int main(){

	char fileRead[100];

	char fileWrite[100];

	printf("要复制的文件:");

	scanf("%s",fileRead);

	printf("目标文件:");

	scanf("%s",fileWrite);

	if(copyFile(fileRead,fileWrite)){

		printf("拷贝成功");

	}else{

		printf("复制失败");

	}

	return 0;

}

int copyFile(char *fileRead,char *fileWrite){

	FILE *fpRead;

	FILE *fpWrite;

	int bufferLen=1024*4;

	char *buffer = (char*)malloc(bufferLen);

	int readCount;

	if((fpRead=fopen(fileRead,"rb")) == NULL || (fpWrite=fopen(fileWrite,"wb")) == NULL){

		printf("can not open file");

		exit(1);

	}

	while((readCount=fread(buffer,1,bufferLen,fpRead)) > 0){

		fwrite(buffer,readCount,1,fpWrite);

	}

	free(buffer);

	fclose(fpRead);

	fclose(fpWrite);

	return 1;

}
巴特西

copy.c实现

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