fmemcmp (3) - Linux Man Pages
fmemcmp: fuzzy comparison of two memory areas
NAMEfmemcmp - fuzzy comparison of two memory areas
DESCRIPTIONThe fmemcmp() function compares the two memory areas, the size1 bytes pointed to by data1 and the size2 bytes pointed to by data2.
RETURN VALUEThe fmemcmp function returns a floating point value between 0.0 and FSTRCMP_IDENTICAL. A value of 0.0 means the memory areas are utterly un-alike. A value of FSTRCMP_IDENTICAL means the memory areas are identical. A value of more than FSTRCMP_THRESHOLD (it lies between 0.0 and FSTRCMP_IDENTICAL) would be considered "similar" by most people.
A value of FSTRCMP_ERROR (always negative) indicates a malloc(3) failure.
COPYRIGHTfstrcmp version 0.7
Copyright (C) 2009 Peter Miller
Peter Miller <pmiller [at] opensource.org.au>
The comparison code is derived from the fuzzy comparison functions in GNU Gettext 0.17. The GNU Gettext comparison functions were, in turn, derived from GNU Diff 2.7.
Copyright (C) 1988-2009 Free Software Foundation