Files
Linux-C-Notes/C01-绪论/基本概念-编程注意问题/a.c
2024-05-26 15:39:14 +08:00

18 lines
274 B
C

#include <errno.h>
#include <stdio.h>
#include <stdlib.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);
}