strncat.c

来自「newos is new operation system」· C语言 代码 · 共 27 行

/* 
** Copyright 2001, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
#include <string.h>
#include <sys/types.h>

char *
strncat(char *dest, char const *src, size_t count)
{
	char *tmp = dest;

	if(count > 0) {
		while(*dest)
			dest++;
		while((*dest++ = *src++)) {
			if (--count == 0) {
				*dest = '\0';
				break;
			}
		}
	}

	return tmp;
}