MEMFROBSection: Linux Programmer's Manual (3)
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NAMEmemfrob - frobnicate (encrypt) a memory area
#define _GNU_SOURCE #include <string.h> void *memfrob(void *s, size_t n);
DESCRIPTIONThe 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.
RETURN VALUEThe memfrob() function returns a pointer to the encrypted memory area.
CONFORMING TOThe memfrob() function is unique to the GNU C Library.
COLOPHONThis page is part of release 3.21 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.