c语言练习之规范编写

#include <stdio.h>

#define MAX_SIZE 1024

int continue_max_len_str(char *dest,char *str)
{
int i;

int max_len = 0;
int count = 0;

while(*str != '\0')
{

while(*str >= '0' && *str <= '9')
{
count++;
str++;

}

if(max_len < count)
{
max_len = count;

for(i = 0; i < max_len; i++)
{
*(dest + i) = *(str - max_len + i);

}

*(dest + i ) = '\0';
}

count = 0;
str++;
}

return max_len;

}
int main()
{

char str[MAX_SIZE];
char dest[MAX_SIZE];

printf("please input the string:\n");
gets(str);

int max_len =continue_max_len_str(dest,str);

printf("max_len = %d,the dest is %s\n",max_len,dest);

return 0;
}

#include <stdio.h>
#include <string.h>

#define MAX_SIZE 1024

void turn_num(char *str,int number)
{
char temp;
int i = 0;
int len = 0;

while(number > 0)
{
str[i] = number % 10 + '0';
number = number / 10;
i++;
}
str[i] = '\0';

len = strlen(str);

for(i = 0; i < len/2 ; i++)
{
temp = str[i];
str[i] = str[len - i - 1];
str[len - i - 1] = temp;
}
}

int main()
{
int number;
char str[MAX_SIZE];

printf("Please input a number:\n");
scanf("%d",&number);

turn_num(str,number);

printf("%s\n",str);

return 0;
}