Library /sys$common/syshlp/helplib.hlb  —  CRTL  fgetc_unlocked
    Same as the fgetc function, except used only within a scope
    protected by flockfile and funlockfile.

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

    Format

      #include  <stdio.h>

      int fgetc_unlocked  (FILE *file_ptr);
Additional Information: explode extract
Argument Description Return Values
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