/* Open for read (will fail if file "data" does not exist) */
if( (stream = fopen( "data", "r" )) == NULL )
printf( "The file 'data' was not opened\n" );
else
printf( "The file 'data' was opened\n" );
/* Open for write */
if( (stream2 = fopen( "data2", "w+" )) == NULL )
printf( "The file 'data2' was not opened\n" );
else
printf( "The file 'data2' was opened\n" );
/* Close stream */
if( fclose( stream ) )
printf( "The file 'data' was not closed\n" );
/* All other files are closed: */
numclosed = _fcloseall( );
printf( "Number of files closed by _fcloseall: %u\n", numclosed );
}
[test@xOS test]$ gcc t.c
/tmp/ccfuoEhc.o: In function `main':
/tmp/ccfuoEhc.o(.text+0x15): undefined reference to `__fopen'
/tmp/ccfuoEhc.o(.text+0x5f): undefined reference to `__fopen'
/tmp/ccfuoEhc.o(.text+0xc0): undefined reference to `_fcloseall'
collect2: ld returned 1 exit status
[test@xOS test]$作者: hutuworm 时间: 2005-06-15 11:14 标题: 为什么编译连接不成功？！！ 检查程序
把函数前的下划线去掉作者: ssffzz1 时间: 2005-06-15 14:54 标题: 为什么编译连接不成功？！！ 哥哥,是不是有个库没有include.作者: xman0017 时间: 2005-06-16 15:13 标题: 为什么编译连接不成功？！！ 哪位大哥试一试，看如何才能编译、连接通过？？
我用下面方法还是错误！！
[root@xOS root]# gcc t.c -lc
/tmp/ccKiFn0B.o: In function `main':
/tmp/ccKiFn0B.o(.text+0x15): undefined reference to `__fopen'
/tmp/ccKiFn0B.o(.text+0x5f): undefined reference to `__fopen'
collect2: ld returned 1 exit status
[root@xOS root]# gcc t.c -L/usr/lib -lc
/tmp/ccIsRPCv.o: In function `main':
/tmp/ccIsRPCv.o(.text+0x15): undefined reference to `__fopen'
/tmp/ccIsRPCv.o(.text+0x5f): undefined reference to `__fopen'
collect2: ld returned 1 exit status