char *strcpy(char *strDes, const char *strSrc)
{
assert((strDes != NULL) && (strSrc != NULL));
char *address = strDes;
while ((*strDes ++ = *strSrc ++) != '\0')
NULL;
return address;
}
char *strchr_(char *str, int c)
{
assert(str != NULL);
while ((*str != (char) c) && (*str != '\0'))
str ++;
if (*str != '\0')
return str;
return NULL;
}
char *strchr(const char *str, int c)
{
assert(str != NULL);
for (; *str != (char) c; ++ str)
if (*str == '\0')
return NULL;
return (char *) str;
}
int strcmp(const char *s, const char *t)
{
assert(s != NULL && t != NULL);
while (*s && *t && *s == *t)
{
++ s;
++ t;
}
return (*s - *t);
}
char *strcat(char *strDes, const char *strSrc)
{
assert((strDes !
C、传统 C++
#include <assert.h> //设定插入点
#include <ctype.h> //字符处理
#include <errno.h> //定义错误码
#include <float.h> //浮点数处理
#include <fstream.h> //文件输入／输出
#include <iomanip.h> //参数化输入／输� ......
