c语言文件初步入门文本拷贝

可判断文件是否打开

创建文件inflie.c

#include<stdio.h>
#include<stdlib.h>
int main()
{
	FILE *infp,*outfp;
	char ch;
	if((infp=fopen("infile.c","r"))==NULL)
	{
		printf("cannot open infile.c.\n");
	exit(0);
}
if((outfp=fopen("outfile.c","w"))==NULL)
{
	printf("cannot open outfile.c.\n");
	exit(0);
}
#if 0

#else 
while(1){
	ch=fgetc(infp);
	if(ch==EOF)
		break;
	fputc(ch,outfp);
}
#endif
fclose(infp);
fclose(outfp);
}

进行复制infile.c的内容进入outfile.c中