Re: the difeirent bettwen the function open() with two an three parameters

deepak wrote:
freegnu wrote:
hi all, i dont dont whats the difference, and the different bettwen flags
and mode

The third parameter in open is to give mode while we create a file
using open system call, where flag 'll be O_CREAT and we can specify
the user access permissions using mode.
ex: open(char filename, O_CREAT, S_IRUSER);

If the file is already there, no need of third parameter.

Just to be clear, it is needed when you use the O_CREAT
flag, wether the file already exists or not :-)
.

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