kernel/lib/libc/string/strncmp.c

// Copyright 2016 The Fuchsia Authors
// Copyright (c) 2008 Travis Geiselbrecht
//
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file or at
// https://opensource.org/licenses/MIT

#include <string.h>
#include <sys/types.h>

int
strncmp(char const *cs, char const *ct, size_t count)
{
    signed char __res = 0;

    while (count > 0) {
        if ((__res = *cs - *ct++) != 0 || !*cs++)
            break;
        count--;
    }

    return __res;
}