字符串按某个字母截断

#include   <string.h> 
#include   <stdlib.h> 
int   main() 
{ 
char   ptr[]={ "abcdefghijklmnopqrstuvwxyz "}; 
char   *p,*str= "m "; 
p=ptr; 
printf( "%s\n ",strsep(&p,str)); 
printf( "%s\n ",p); 
str= "s "; 
printf( "%s\n ",strsep(&p,str)); 
printf( "%s\n ",p); 

} 

运行结果

yuanwei@SW-02:~/code/test$ ./test1
abcdefghijkl
 nopqrstuvwxyz 
 nopqr
 tuvwxyz