read text from file in C

entry

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igrf.c

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
| author : ham ism                                                          |
| note   : entry file(above ) is used as an entry for this file             |
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

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


struct igrf{
 float n;
 float m;
 float gnm;
 float hnm;
 float ugnm;
 float uhnm;
};


int main(){
FILE *fp1;
char oneword[100];
struct igrf tab[10];
float tab2[1000];
int i;
int j;
char c;
int k=0;


   fp1 = fopen("entry","r");

   do {
      c = fscanf(fp1,"%s",oneword); /* got one word from the file */
      valeur  = strtod(oneword,NULL);
      tab2[k] = strtod(oneword,NULL);
      k++;
   } while (c != EOF); 

  printf("%i",k);

  int m = 0;
  int n = 0;
  int l=0;
  
  for (m = 0; m < k-1; m +=6)
  {

    for(n=m;n<m+6;n++){
        
      if(n % 6 == 0){
        tab[l].n = tab2[n];
      }else if( n % 6 == 1){
        tab[l].m = tab2[n];
      }else if( n % 6 == 2){
        tab[l].gnm = tab2[n];
      }else if(n % 6 == 3){
        tab[l].hnm = tab2[n];
      }else if(n % 6 == 4){
        tab[l].ugnm = tab2[n];
      }else if(n % 6 == 5){
        tab[l].uhnm = tab2[n];
      }
    } 
    l++;
  }

  printf("\n this is the value  : %lf \n ",tab[3].uhnm);
   fclose(fp1);
}