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  1. typedef long int __quad_t;
  2.  
  3. typedef long int __off64_t;
  4. typedef struct { int __val[2]; } __fsid_t;
  5.  
  6. typedef unsigned long int __fsblkcnt_t;
  7. typedef unsigned long int __fsblkcnt64_t;
  8.  
  9. typedef unsigned long int __fsfilcnt_t;
  10. typedef unsigned long int __fsfilcnt64_t;
  11.  
  12. struct statfs
  13. {
  14.     long int f_type;
  15.     long int f_bsize;
  16.  
  17.     __fsblkcnt_t f_blocks;
  18.     __fsblkcnt_t f_bfree;
  19.     __fsblkcnt_t f_bavail;
  20.     __fsfilcnt_t f_files;
  21.     __fsfilcnt_t f_ffree;
  22.  
  23.     __fsid_t f_fsid;
  24.     long int f_namelen;
  25.     long int f_frsize;
  26.     long int f_flags;
  27.     long int f_spare[4];
  28. };
  29.  
  30. struct statfs64
  31. {
  32.     long int f_type;
  33.     long int f_bsize;
  34.     __fsblkcnt64_t f_blocks;
  35.     __fsblkcnt64_t f_bfree;
  36.     __fsblkcnt64_t f_bavail;
  37.     __fsfilcnt64_t f_files;
  38.     __fsfilcnt64_t f_ffree;
  39.     __fsid_t f_fsid;
  40.     long int f_namelen;
  41.     long int f_frsize;
  42.     long int f_flags;
  43.     long int f_spare[4];
  44. };
  45.  
  46. extern int statfs (__const char *__file, struct statfs *__buf) __attribute__ ((__nonnull__ (1, 2)));
  47. extern int printf(const char *, ...);
  48.  
  49. int main()
  50. {
  51.     struct statfs buf;
  52.     if (0!= statfs("/", &buf))
  53.         printf("oops\n");
  54.     else
  55.         printf("f_bsize: %ld\n", buf.f_bsize);
  56.     return 0;
  57. }
  58.  
Success #stdin #stdout 0.02s 1720KB
comments (?)
stdin 
Standard input is empty
stdout 
f_bsize: 4096
https://ideone.com/uuqcV
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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