Партнёры:
Хостинг:
grantpt - grant access to the slave pseudo-terminal device
#include <stdlib.h> int grantpt(int fildes);
The grantpt() function changes the mode and ownership of the slave pseudo-terminal device associated with its master pseudo-terminal counterpart. fildes is the file descriptor returned from a successful open of the master pseudo-terminal device. The user ID of the slave is set to the real UID of the calling process and the group ID is set to a reserved group. The permission mode of the slave pseudo-terminal is set to readable and writable by the owner and writable by the group.
Upon successful completion, grantpt() returns 0. Otherwise, it returns -1 and sets errno to indicate the error.
The grantpt() function may fail if:
EBADF
EINVAL
EACCES
See attributes(5) for descriptions of the following attributes:
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open(2), ptsname(3C), unlockpt(3C), attributes(5), standards(5)
STREAMS Programming Guide
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