#include <ctype.h> 
#include <string.h> 
 
char *trim(char *src, char *dsc) 
{ 
  int i; 
  char *org; 
  org = src; 
 
  while(*src) 
  { 
    if (!isspace(*src)) 
    { 
      break; 
    } 
    else 
    { 
      *src++; 
    } 
  } 
  memcpy(dsc, src, strlen(src)); 
  for (i = (strlen(dsc)-1); i > 0; i--) 
  { 
    if ( !isspace(*(dsc+i)) ) 
    { 
      *(dsc+i+1) = 0x00; 
      break; 
    } 
  } 
  return dsc; 
} 
 

int main() 
{ 
  char a[] = "\t my name hello World   \n"; 
  char b[40]={0x00,}; 
  trim(a, b); 
  printf("Trim Data : (%s)\n", b); 
}