strcat.c

来自「AVR-GCC 自带库的原码」· C语言 代码 · 共 15 行

#include <string.h>

char *strcat(char *s1, CONST char *s2)
	{
	char *s = s1;

	while (*s1)
		s1++;
	while (*s2)
		*s1++ = *s2++;
	*s1 = *s2;
	return s;
	}