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    The following form allows you to view linux man pages.

    Command:

    getpt

    
    
    

    SYNOPSIS

           #define _GNU_SOURCE             /* See feature_test_macros(7) */
           #include <stdlib.h>
    
           int getpt(void);
    
    
    

    DESCRIPTION

           getpt()  opens a pseudoterminal master and returns its file descriptor.
           It is equivalent to
    
               open(/dev/ptmx, O_RDWR | O_NOCTTY);
    
           on Linux systems, though the pseudoterminal master is located elsewhere
           on some systems that use GNU Libc.
    
    
    

    RETURN VALUE

           getpt()  returns  an  open  file descriptor upon successful completion.
           Otherwise, it returns -1 and sets errno to indicate the error.
    
    
    

    ERRORS

           getpt() can fail with various errors described in open(2).
    
    
    

    VERSIONS

           getpt() is provided in glibc since version 2.1.
    
    
    

    CONFORMING TO

           getpt() is glibc-specific; use posix_openpt(3) instead.
    
    
    

    SEE ALSO

           grantpt(3), posix_openpt(3), ptsname(3), unlockpt(3), ptmx(4), pty(7)
    
    
    

    GNU 2010-09-10 GETPT(3)

    
    
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