fclose - Closes the file in C


  #include <stdio.h>
  #include <stdlib.h>

  int main(void)
  {
    FILE *fp;

    if((fp=fopen("test", "rb"))==NULL) {
      printf("Cannot open file.\n");
      exit(1);
    }

    if(fclose(fp))
        printf("File close error.\n");

    return 0;
  }