File: 003_test_fopen.c

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/*BINFMTC:
fopen test */
#include <stdio.h>
#include <stdlib.h>

void writeandclose(FILE* a)
{
  fprintf(a,"abc\n");
  fclose(a);
}

int main(int argc, char** argv)
{
  /* test that the three args work. */
  if(argc < 4)
    exit(1);
  
  writeandclose(fopen(argv[1], "r"));
  writeandclose(fopen(argv[2], "w"));
  writeandclose(fopen(argv[3], "a"));
  return 0;
}