#include<stdio.h>
#include<Windows.h>
#include<assert.h>
char* my_strcpy(char* dest, const char* src)
{
char *ret1 = dest;//记录目标字符数组的地址
assert(dest != NULL);
assert(src != NULL);
while (*dest++ = *src++)
{
;
}
return ret1;
}
char* my_strcat(char *dest, const char*src)
{
char* ret2 = dest;
assert(dest != NULL);
assert(src != NULL);
while (*dest)
{
dest++;
}
while (*dest++ = *src++)
{
;
}
return ret2;
}
int main()
{
char dest[10];
char dest1[20] = "hello ";
char *psrc2 = "word";
char *ret1 = my_strcpy(dest, psrc2);
char *ret2 = my_strcat(dest1, psrc2);
printf("dest[] = %s\n", ret1);
printf("psrc1 = %s\n",ret2);
system("pause");
return 0;
}
模拟实现strcpy和strcat的函数实现
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转载自blog.csdn.net/Zero_975/article/details/82833143
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