C语言多文件创建与写入

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#define N 300

#if 1
main()
{
  
 FILE *fp,*fp1;
 char s[N][30]={0};
 int i;
 #if 1
 char file[N]; 
 float k=0;
 /**********************按行读取a.1中的内容****************/
 fp1 = fopen("a1.txt","r");
  for(i=0;i<N;i++)
   {
   fgets(s[i],100,fp1);
       //printf("%s\n",s[i]);
    }
/***************创建N个文件，并写入内容************************/
  for(i = 0; i< N; i++) 
  { 
    sprintf(file, "%d.txt", i); 
    fp=fopen(file,"w");
fprintf(fp,"*/%0.1f.lab\n",k);
k=k+0.1;
    fprintf(fp,"%s",s[i]);