Files
Linux-C-Notes/Chapter01/基本概念-编程注意问题/a.c

18 lines
273 B
C

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
int main()
{
FILE *fp;
fp = fopen("tmp", "r");
if (fp == NULL)
{
fprintf(stderr, "fopen():%s\n", strerror(errno));
exit(1);
}
puts("ok!");
exit(0);
}