


      CUSERID(3S)                 (UNIX 5.0)                CUSERID(3S)



      NAME
           cuserid - get character login name of the user

      SYNTAX
           #include <stdio.h>

           char *cuserid (s)
           char *s;

      DESCRIPTION
           Cuserid generates a character-string representation of the
           login name of the owner of the current process.  If s is a
           NULL pointer, this representation is generated in an
           internal static area, the address of which is returned.
           Otherwise, s is assumed to point to an array of at least
           L_cuserid characters; the representation is left in this
           array.  The constant L_cuserid is defined in the <stdio.h>
           header file.

      DIAGNOSTICS
           If the login name cannot be found, cuserid returns a NULL
           pointer; if s is not a NULL pointer, a null character (\0)
           will be placed at s[0].

      SEE ALSO
           getlogin(3C), getpwent(3C).





























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