获得路径下的所有文件名

#include “sys/types.h“
#include “dirent.h“
#include “stdio.h“

int main( int argc,char *argv[] )
{
DIR *dp;
struct dirent *dirp;
if( argc != 2 )
{
printf("error:need argument!\n");
return 0;
}
if ( ( dp = opendir(argv[1]) ) == NULL )
{
printf("can't open dir %s\n",argv[1] );
return 0;
}
while ( (dirp = readdir (dp)) != NULL )
{
printf("%s\n",dirp->d_name);
}
closedir(dp);
return 0;
}