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Command: scanc | Section: 9 | Source: NetBSD | File: scanc.9
SCANC(9) FreeBSD Kernel Developer's Manual SCANC(9)
NAME
scanc - use byte string as lookup table index
SYNOPSIS
#include <lib/libkern/libkern.h>
int
scanc(u_int size, const u_char *cp, const u_char table[], int mask);
DESCRIPTION
The scanc() function scans the byte string cp, whose length is size. A
character in the string is used as an index in the 256-byte table. If a
bitwise-AND of the byte from the table and mask isn't zero or the string
is exhausted, the scan stops.
RETURN VALUES
The scanc() function returns the length of the rest of the string,
including the character which made the scan stop. If the scanc()
function exhausted the string, it returns 0.
HISTORY
The scanc() function emulates a VAX instruction with the same name.
FreeBSD 14.1-RELEASE-p8 April 24, 2013 FreeBSD 14.1-RELEASE-p8