mycopy.c

最近在学习林锐的高质量程序设计指南

#include <stdio.h>

int main(int argCount, char* argValue[])
{
	FILE *srcFile = 0, *destFile = 0;
	int ch = 0;
	if(argCount != 3)
	{
		printf("Usage:%s src-file-name dest-file-name\n",argValue[0]);
	}else
	{
		if((srcFile = fopen(argValue[1],"r")) == 0)
		{
			printf("Can not open source file \"%s\"!", argValue[1]);
		}
		else
		{
			if((destFile = fopen(argValue[2], "w")) == 0)
			{
				printf("can't open destination file \"%s\"!", argValue[2]);
			}
			else
			{
				while((ch = fgetc(srcFile)) != EOF)
					fputc(ch, destFile);
				printf("Successful to copy a file!\n");
				fclose(srcFile);
				fclose(destFile);
				getchar();
				return 0;
			}
		}
	}
	
	getchar();
	return 1;

}