NAME
memfrob - memory frobnicate (obfuscate)
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#define _GNU_SOURCE /* See feature_test_macros(7) */ #include <string.h> // see memory.h(3head)
void *memfrob(size_t n; void s[n], size_t n);
DESCRIPTION
The memfrob() function obfuscates 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 obfuscated memory area.
Note that this function is not a proper encryption routine as the XOR constant is fixed, and is suitable only for hiding strings.
RETURN VALUE
The memfrob() function returns a pointer to the obfuscated memory area.
ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value |
| memfrob() | Thread safety | MT-Safe |
STANDARDS
GNU.