| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | free_rtn | 9s | 236 |
| freebsd | free_rtn | 9s | 232 |
| centos | free_rtn | 9s | 213 |
| xfree86 | free_rtn | 9s | 199 |
| posix | free_rtn | 9s | 189 |
| osx | free_rtn | 9s | 178 |
| sunos | free_rtn | 9s | 176 |
| opensolaris | free_rtn | 9s | 174 |
| php | free_rtn | 9s | 161 |
| hpux | free_rtn | 9s | 154 |
| mojave | free_rtn | 9s | 153 |
| debian | free_rtn | 9s | 146 |