// 实现strrchr(查找该字符串最后一次出现的位置)
#include
#include
char * my_strrchr( char const *str, char c)
{
int count = 0;
int i;
assert( str != NULL );
while( *str != '\0')
{
str++;
count++;
}
str--;
for( i = 0; i < count; i++ )
{
if( *str == c )
return str;
else
str--;
}
printf("没有找到该字符\n");
return 0;
}
int main()
{
char *str = "dandanwa";
char ch = 's';
printf("%s\n",my_strrchr( str,ch ));
return 0;
}
若查找n，截图如下;
若查找s，就会返回空：
原文：/zhaoyaqian552/article/details/44980017
