조각 코드 : 문자열의 양끝에 있는 특정 문자열 삭제

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int main(int argc,char **argv){
  char *str=" \n \r \n \t abcdefghijklmnopqrstuvwxyz \n   \t ";
  char *ret;
  printf("%s\n\n",str);
  trim(str,NULL,0,&ret,TRIM_RIGHT);
  printf("TRIM_RIGHT\n");
  printf("->%s<- %d\n\n",ret,strlen(ret));
  free(ret);
  trim(str,NULL,0,&ret,TRIM_LEFT);
  printf("TRIM_LEFT\n");
  printf("->%s<- %d\n",ret,strlen(ret));
  free(ret);
  trim(str,NULL,0,&ret,TRIM_ALL);
  printf("TRIM_ALL\n");
  printf("->%s<- %d\n\n",ret,strlen(ret));
  free(ret);
  trim(str,NULL,1,&ret,TRIM_ALL);
  printf("TRIM_ALL(just one occurence.)\n");
  printf("->%s<- %d\n\n",ret,strlen(ret));
  free(ret);
 
 
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#include <stdio.h>
#include <malloc.h>
#define MALLOC_ERR 1<<4
#define MFREE_ERR  1<<5
#define FOPEN_ERR  1<<6
#define FCLOSE_ERR  1<<7
#define MALLOC(dest,type,size) \
  if((dest=(type)malloc(size))==NULL) return MALLOC_ERR;
#define MFREE(dest) \
  if(dest!=NULL){free(dest);}else{return MFREE_ERR;};
#define MNDUP(src,dest_type,dest,dest_size,dup_size) \
  MALLOC(dest,dest_type,dest_size); \
  memset(dest,0x0,dest_size);\
  memmove(dest,src,dup_size);
#define TRIM_LEFT   1
#define TRIM_RIGHT  2
#define TRIM_ALL    TRIM_LEFT|TRIM_RIGHT
int trim(char *str,char *list,int occur_cnt,char **ret,int mode){
  char *trim_list,*first,*last;
  int is_trim_c=0,trim_list_len=0,ret_len=0;
  int offset[2]={0};
  int trim_cnt=0;
  register int i=0;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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