strtrim 함수

/* 
 * strrtrim.c -- remove trailing whitespace from a string 
 * 
 * Part of publib.  See man page for more information 
 * "@(#)publib-strutil:strrtrim.c,v 1.1.1.1 1994/02/03 17:25:30 liw Exp" 
 */ 

#include  
#include  
#include  

char *strrtrim(char *s) { 
 char *t; 

 assert(s != NULL); 
 t = strchr(s, '\0'); 
 while (t > s && isspace(t[-1])) 
  --t; 
 *t = '\0'; 
 return s; 
}