read fasta in C (kseq.h)

f.c

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

KSEQ_INIT(FILE*, read)

int main(int argc, char** argv)
{
  FILE* fp = fopen(argv[1], "r");
  if (fp == 0)
    {
      perror("fopen");
      exit(1);
    }
  kseq_t *seq = kseq_init(fileno(fp));
  int l;
  while ((l = kseq_read(seq)) >= 0 )
    {
      printf("name: %s\n", seq->name.s);
      printf("seq: %s\n", seq->seq.s);
    }
}