分隔符代码修订

来源：互联网发布：南京sat培训知乎编辑：程序博客网时间：2024/05/17 05:48

#include "stdafx.h"#include "stdio.h"#include "string.h"/*int main(void){char str[] = "root:x::0:root:/root:/bin/bash:";char *token;token = strtok(str, ":");printf("%s\n", token);while ( (token = strtok(NULL, ":")) != NULL)printf("%s\n", token);return 0;}*/char aa[32];char *split_data( char *init_data, char *separator,int num){char str[] = "root:x:0:root:/root:/bin/bash:";char *token=NULL;char p[128];//慎用指针，之前在此用的是指针，然后一直出错，换成数组就可以了！int j=0;strcpy(p,init_data);//p=init_data;//token = strtok(&init_data,&separator);token = strtok(p, separator);//printf("%s\n", token);for(int i=0;i<num;i++){// if( (token = strtok(NULL, separator)) != NULL)//printf("%s\n", token);token = strtok(NULL, separator);j++;}//printf("%s\n", token);strcpy(aa,token);

        return aa;}void main(void){char str[] = "root:x:0:root:/root:/bin/bash:";char str1[] = "root";char a[32];char b[32];char c[32];char d[32];char e[32];char f[32];int w=0;int num=3,j=0;

w=sizeof(str1);printf("%d\n", w);   strcpy(a,split_data( str1,",",2));   printf("%s\n", a);   strcpy(b,split_data( str1,",",3));   printf("%s\n", b);   strcpy(c,split_data( str1,",",4));   printf("%s\n", c);   strcpy(d,split_data( str1,",",5));   printf("%s\n", d);   strcpy(e,split_data( str1,",",6));   printf("%s\n", e);   strcpy(f,split_data( str1,",",7));   printf("%s\n", f);}

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