Re: [Dev-C++] O_WRONLY, O_RDONLY unrecognized

I pasted the copy and when compiling the only errors I got were due to
the absence of these lines at the top of the file.

#include <stdlib.h> //for system("PAUSE")
#include <string.h> //for memset(...)

After I added them the program compiled and run as expected.

Hope this helps.

Chemanuel


--- Albert Vilella Bertran <vil...@ya...> escribió: > Does
anybody know why the compiler doesn't recognize O_WRONLY,
> O_RDONLY, ...
> in function "open"?
> 
> I get the error "12 c:\prova.c `O_WRONLY' undeclared (first use in
> this
> function)",
> but I think it sould work if including unistd.h and fcntl.h, isn't
> it?
> 
> -----------------------------
> 
> 
> #include <stdio.h>
> #include <fcntl.h>
> #include <unistd.h>
> 
> int main(int argc, char *argv[])
> {
>     char buffer[1024] ;
>     int fd,i,j,k ;
>     
>     memset(&buffer,'a',1024) ;
>     
>     fd = open("./prova",O_WRONLY) ;
> 
>     for (i=1; i<=2;i++)
>     {
>         printf("El valor de %d\n",i) ;
>         for (j=1; j<=5;j++)
>           write(fd,buffer,1024) ;
>      }
>     close(fd) ;
> 
>   system("PAUSE");
>   return 0;
> }
> 
> 
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