| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | free_rtn | 9s | 71 |
| linux | free_rtn | 9s | 57 |
| sunos | free_rtn | 9s | 42 |
| xfree86 | free_rtn | 9s | 41 |
| osx | free_rtn | 9s | 39 |
| posix | free_rtn | 9s | 34 |
| opensolaris | free_rtn | 9s | 31 |
| php | free_rtn | 9s | 27 |
| centos | free_rtn | 9s | 26 |
| debian | free_rtn | 9s | 24 |
| hpux | free_rtn | 9s | 24 |
| mojave | free_rtn | 9s | 22 |