compile: gcc -I/usr/include/glib-2.0 -lglib-2.0 -lWN wn_morph.c -o wn_morph dependency:glib2 glib2-devel wordnet wordnet-devel

wn_morph.c

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <wn.h>
#define MAX_STRINGS 65535
#define MAX_BUF_NUM 4096
#define MAX_BUF_SIZE 255

int main(int argc, char *argv[])
{
  char data[MAX_STRINGS];
  FILE *fp;

  char sp[] = " \n";
  char *tok;

  int pos;
  char *morph;

  if (wninit() == -1) {
    printf("wninit error.\n");
    return -1;
  }

  if ((fp = fopen(argv[1], "r")) == NULL)
  {
    printf("input file %s error.\n", argv[1]);
    return -1;
  }

  while( fgets(data, MAX_STRINGS, fp) != NULL){
    tok = strtok( data, sp );
    char buf[MAX_BUF_NUM][MAX_BUF_SIZE];
    int i = 0;
    while(tok != NULL){
      strcpy (buf[i], tok);
      tok = strtok( NULL, sp );
      i++;
    }
    int t;
    for(t = 0; t < i ; t++){
      //pos 1:NOUN 2:VERB 3:ADJECTIVE 4:ADVERB 5:ADJECTIVE_SATELITE
      for(pos = 5; pos >= 1; pos--){
        morph = morphstr(buf[t], pos);
        if(morph){
          break;
        }
      }
      if(morph){
        printf( "%s ", morph );
      }
      else if(buf[t]){
        printf( "%s ", buf[t] );
      }
    }
    printf("\n");
  }

  fclose(fp);

  return 0;
}