Rewinds the group database.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <grp.h>

      void setgrent  (void);

1  –  Description

    The setgrent function effectively rewinds the group database to
    allow repeated searches.

    This function is always successful. No value is returned, and
    errno is not set.