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NAME

       memfrob - frobnicate (encrypt) a memory area

SYNOPSIS

       #include <string.h>

       void *memfrob(void *s, size_t n);

DESCRIPTION

       The  memfrob() function encrypts the first n bytes of the memory area s
       by exclusive-ORing each character with the number 42.  The  effect  can
       be reversed by using memfrob() on the encrypted memory area.

       Note  that  this function is not a proper encryption routine as the XOR
       constant is fixed, and is only suitable for hiding strings.

RETURN VALUE

       The memfrob() function returns a pointer to the encrypted memory area.

CONFORMING TO

       The memfrob() function is unique to the  Linux  C  Library  and  GNU  C
       Library.

SEE ALSO

       strfry(3)