假设c:盘下有个oldname.txt文件
#include
int main ()
{
int result;
char originalName[] ="c:\\oldname.txt";
char nowName[] ="c:\\newname.txt";
result= rename( originalName, nowName);
if ( result == 0 )
puts ( "successfully" );
else
perror( "Error" );
return 0;
}
请参考http://www.cplusplus.com/reference/cstdio/rename/
#include
int rename(const char *old, const char *new);
#include#includevoidmain(void){chara[]="999";intb=atoi(a);printf("b=%d\n",b);}