open2.c

linux unix 入门代码上,是关于初级入门的,经典代码

#include <stdio.h>

int
main()
{
	FILE *fp;
	char errinfo[64];

	fp=fopen("/tc/hosts","r");
	if (fp==NULL) {
		sprintf(errinfo,"File %s, Line %d, fopen()",__FILE__,__LINE__);
		perror(errinfo);
		exit (-1);
	}
	fclose(fp);
	exit(0);
}