创建临时文件

创建临时文件:

#include <stdio.h>
int main(){
	char tmpname[L_tmpnam];
	char *filename;
	FILE *tmpfp;

	filename = tmpnam(tmpname);

	printf("Temporary file name is: %s \n",filename);
	tmpfp = tmpfile();
	if(tmpfile){
		printf("Opened a temporary file OK \n");

	}else{
		perror("tmpfile");
	}
	exit(0);
}