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-.Dd October 14, 2005
-.Dt MEMSET_PATTERN 3
-.Os Darwin
-.Sh NAME
-.Nm memset_pattern4 ,
-.Nm memset_pattern8 ,
-.Nm memset_pattern16
-.Nd memset of a multi-byte pattern
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In string.h
-.Ft void
-.Fn memset_pattern4 "void *b" "const void *pattern4" "size_t len"
-.Ft void
-.Fn memset_pattern8 "void *b" "const void *pattern8" "size_t len"
-.Ft void
-.Fn memset_pattern16 "void *b" "const void *pattern16" "size_t len"
-.Sh DESCRIPTION
-These are analogous to 
-.Fn memset ,
-except that they
-fill memory with a replicated pattern either 4, 8, or 16 bytes long.
-.Fa b
-points to a buffer of size
-.Fa len
-bytes which is to be filled.  The second parameter points to the pattern.
-If the buffer length is not an even multiple
-of the pattern length, the last instance of the pattern will be truncated.
-Neither the buffer nor the pattern pointer need be aligned.
-.Sh EXAMPLES
-The following example:
-.Bd -literal -offset indent
-char buf[10];
-
-memset_pattern4( buf, "1234", sizeof(buf) );
-.Ed
-.Pp
-will set the buffer to the value "1234123412".
-.Sh SEE ALSO
-.Xr memset 3
-.Sh HISTORY
-These functions first appeared in Mac OS 10.5.