| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | stdio | 3 | 1,120 |
| bsd | stdio | 3s | 1,013 |
| opensolaris | stdio | 3c | 915 |
| redhat | stdio | 3 | 900 |
| sunos | stdio | 3c | 890 |
| suse | stdio | 3 | 845 |
| centos | stdio | 3 | 836 |
| debian | stdio | 3 | 822 |
| hpux | stdio | 3s | 810 |
| mojave | stdio | 3 | 783 |
| ultrix | stdio | 3s | 757 |
| freebsd | stdio | 3 | 747 |
| centos | unlocked_stdio | 3 | 741 |
| posix | stdio | 3 | 721 |
| v7 | stdio | 3s | 716 |
| netbsd | stdio | 3 | 666 |
| opendarwin | stdio | 3 | 663 |
| osx | stdio | 3 | 657 |
| x11r4 | stdio | 3 | 648 |
| bsd | unlocked_stdio | 3 | 643 |
| linux | unlocked_stdio | 3 | 622 |
| minix | unlocked_stdio | 3 | 616 |
| xfree86 | stdio | 3 | 615 |
| minix | stdio | 3 | 611 |
| debian | unlocked_stdio | 3 | 595 |
| plan9 | stdio | 3 | 591 |
| php | stdio | 3 | 585 |
| opendarwin | unlocked_stdio | 3 | 584 |
| suse | unlocked_stdio | 3 | 573 |
| x11r4 | unlocked_stdio | 3 | 566 |
| redhat | unlocked_stdio | 3 | 558 |
| opensolaris | enable_extended_file_stdio | 3c | 558 |
| plan9 | unlocked_stdio | 3 | 553 |
| xfree86 | unlocked_stdio | 3 | 549 |
| linux | stdio_ext | 3 | 540 |
| php | unlocked_stdio | 3 | 526 |
| v7 | unlocked_stdio | 3 | 514 |
| redhat | stdio_ext | 3 | 514 |
| posix | unlocked_stdio | 3 | 473 |
| centos | stdio_ext | 3 | 464 |
| opendarwin | stdio_ext | 3 | 457 |
| opensolaris | stdio.h | 3head | 451 |
| posix | stdio_ext | 3 | 417 |
| xfree86 | stdio_ext | 3 | 415 |
| suse | stdio_ext | 3 | 398 |
| x11r4 | stdio_ext | 3 | 395 |
| plan9 | stdio_ext | 3 | 394 |
| php | stdio_ext | 3 | 390 |
| opensolaris | stdio | 3head | 384 |
| sunos | stdio | 3head | 381 |